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Movies · Mathematics · Scenes · 1931–2026

Mathematics in Movies: 30 Scenes Where Math Steals the Show

A theorem on a hallway blackboard, a limit that does not exist, sixteen matches in a baroque hotel. Thirty scenes where the mathematics on screen is real, each one checked at the board, and 168 more films in the catalog.

30

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6

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Most mathematics in film is set dressing. A blackboard full of integrals tells the audience that someone is clever, and nobody is expected to read it. But every so often a director lets the mathematics do the work: a character solves something on screen, the solution is right, and the scene is better for it. Those are the scenes collected here.

Our earlier list of the best math movies was about whole films and the people at their centre. This one is about moments: a minute or two of footage where you can pause, look at the board and check the working. Some of those moments come from films about mathematicians, like Good Will Hunting and A Beautiful Mind. Just as many turn up where nobody expects them: in a Bruce Willis action movie, a teen comedy, a 1961 French art film, a Disney cartoon.

Each scene gets a verdict, because Hollywood gets it wrong as often as right, and the wrong ones are often the most fun. Five of the scenes come with a working version you can play right below the clip. And if you want the films where the mathematics really happened, start with five math movies based on true stories, or the 25 documentaries where nothing is acted at all.

✓20

Correct

The mathematics on screen holds up.

≈6

Half right

Real mathematics, stretched by the story.

✗1

Wrong

The film gets it wrong, sometimes famously.

☺3

Played for laughs

Wrong or trivial on purpose.

Reel 1 of 6 · 7 scenes

Numbers & Primes

Counting, digits and primes: the oldest mathematics there is, and the easiest kind to put on a screen.

On the board

2, 3, 5, 7, 11, 13, … , 101

01✓Correct

Contact1997

The scene

At the Very Large Array in New Mexico, Ellie Arroway (Jodie Foster) picks up a pulsing signal from the direction of Vega. Her team counts the pulses: two, three, five, seven, eleven.

The mathematics

Primes are the natural choice for a message meant to prove intelligence. No pulsar, star or chemical process produces them; they are a pattern only something that counts would send. A list of primes up to 101 carries no information beyond "we are here and we do arithmetic," which is exactly the point. Carl Sagan, who wrote the novel, knew the argument from the real search for extraterrestrial intelligence.

On the board

ζ(s) = 0 ⇒ Re(s) = ½ ?

02✓Correct

Proof2005

The scene

Catherine (Gwyneth Paltrow), daughter of a brilliant and unravelling Chicago mathematician (Anthony Hopkins), says the proof found in her father's desk is hers. Nobody believes her.

The mathematics

The notebook holds a long-sought result about prime numbers, the territory of the Riemann hypothesis. What the film gets exactly right is how mathematicians settle the question: not by asking who wrote it, but by checking every line, and by reading the style of the argument. A proof has a fingerprint, and Hal, the former student, goes looking for it.

The Riemann hypothesis, explained

On the board

1, 1, 2, 3, 5, 8, 13 … → φ ≈ 1.618

03≈Half right

Pi1998

The scene

Max Cohen, a reclusive number theorist in a Chinatown apartment, hunts for a 216-digit number that he believes encodes the stock market and, possibly, the true name of God.

The mathematics

The golden spirals Max traces on a nautilus shell are genuine: the ratio of consecutive Fibonacci numbers really does close in on φ. The rest, the magic number and the market patterns, is numerology in a mathematician's coat. Darren Aronofsky knows it. The film is about obsession, not about a theorem.

Our page on Pi (1998)

On the board

π = 3.14159 26535 89793 …

04≈Half right

Person of Interest2011

The scene

Harold Finch, standing in as a substitute teacher, writes π on the board and answers the oldest question in any classroom: when are we ever going to use this?

The mathematics

Finch says the digits of π contain every possible sequence: every name, every conversation, every life. Mathematicians suspect he is right, because π is believed to be a normal number, one in which every string of digits eventually turns up. Nobody has proved it. It is one of television's most moving defences of mathematics, resting on an open problem.

Finch's full speech

On the board

6 × 9 = 42 (in base 13)

05☺Played for laughs

The Hitchhiker's Guide to the Galaxy2005

The scene

After seven and a half million years of computation, the supercomputer Deep Thought delivers the Answer to the Ultimate Question of Life, the Universe, and Everything.

The mathematics

Forty-two is a joke, and Douglas Adams always said so. In the books the Question surfaces as "what do you get if you multiply six by nine?" Fans noticed that in base 13 the answer really is 42, since 4 × 13 + 2 = 54. Adams replied that he did not write jokes in base 13.

On the board

82 + 82 + 82 = 246

06✓Correct

Rain Man1988

The scene

A waitress drops a box of toothpicks on the diner floor. Before anyone bends down, Raymond (Dustin Hoffman) says eighty-two, eighty-two, eighty-two. Two hundred and forty-six in all. The box held 250, and four are still inside.

The mathematics

The arithmetic checks out. What Raymond does is not counting but grouping at an impossible scale: he splits the pile into three equal clusters at a glance, the way anyone can see five dots without counting them. Kim Peek, the savant who inspired the role, could read two facing pages at once, one with each eye.

On the board

7 × 13 = 28

07☺Played for laughs

In the Navy (Abbott and Costello)1941

The scene

Lou Costello proves to Bud Abbott, three different ways, that 28 divided by 7 is 13, and then that 7 times 13 is 28.

The mathematics

Every proof hides the same mistake: the 1 in 13 is a ten, but Costello counts it as a one. Seven threes make 21, seven ones make 7, and 21 + 7 = 28. The routine is a perfect classroom exercise in why place value matters, and it is funnier than any worksheet.

Reel 2 of 6 · 4 scenes

Chance, Statistics & Growth

Doors, batting averages and chain letters. The scenes where intuition loses to arithmetic.

On the board

P(win | switch) = 2/3

08✓Correct

212008

The scene

In an MIT lecture hall, Professor Rosa (Kevin Spacey) puts the Monty Hall problem to Ben Campbell (Jim Sturgess). You pick door number one. The host opens door three and shows you a goat. Do you switch?

The mathematics

Ben switches, and he is right. Your first pick wins one time in three, and nothing the host does changes that, because he always opens a goat door. The other two-thirds lands on the one door left closed. Play it below: intuition usually holds out for about ten games, and the statistics win by the hundredth.

Marilyn vos Savant and the Monty Hall uproar

Try it · 21

The Monty Hall problem

Pick a door. Behind one is a car; behind the other two, goats.

Always stay— of 0
Always switch— of 0

Black tick = the theoretical rate: 1/3 for staying, 2/3 for switching

On the board

OBP = (H + BB + HBP) ÷ (AB + BB + HBP + SF)

09✓Correct

Moneyball2011

The scene

Peter Brand (Jonah Hill), a young economics graduate, shows Oakland's general manager Billy Beane (Brad Pitt) that baseball has been paying for the wrong things.

The mathematics

The idea, taken from Bill James and sabermetrics, was that on-base percentage predicts runs better than batting average, and the market priced it far lower. The 2002 Athletics won 103 games with one of the smallest payrolls in the league. It is a film about mispriced data and the nerve to believe a spreadsheet over a scout.

Five math movies that actually happened

On the board

drops → sprinkler

10✓Correct

Numb3rs (pilot)2005

The scene

FBI agent Don Eppes is chasing a serial attacker across Los Angeles. His brother Charlie, a mathematician, tells him to think of a lawn sprinkler: from where the drops land, you can work out where the sprinkler stands.

The mathematics

This is geographic profiling, a real technique developed by the criminologist Kim Rossmo. Offenders rarely strike right next to home and rarely very far from it, so a probability surface built from the crime locations peaks near where they live. The series kept working mathematicians on call to check its boards.

On the board

3 → 9 → 27 → … 3²⁰ ≈ 3.5 billion

11✓Correct

Pay It Forward2000

The scene

Asked by his teacher to come up with a plan to change the world, twelve-year-old Trevor proposes this: do a big favour for three people, and ask each of them to do the same for three more.

The mathematics

This is exponential growth, the arithmetic of chain letters and epidemics. After n rounds, 3ⁿ new people have been helped: 27 after three rounds, 59,049 after ten, about 3.5 billion after twenty. In round twenty-one the plan runs out of humans.

Reel 3 of 6 · 5 scenes

Shapes & Space

Cones, triangles, billiard tables and the dimension next door, from Alexandria to Oz.

On the board

plane ∩ cone = ellipse

12≈Half right

Agora2009

The scene

In fourth-century Alexandria, Hypatia (Rachel Weisz) slices a cone with a tilted plane, studies the oval edge of the cut, and wonders whether the Earth's path around the Sun might be that shape.

The mathematics

The geometry is Apollonius of Perga's Conics, written around 200 BC; Hypatia really did teach it and is said to have written a commentary on it. Tilt the plane and the cut runs from circle to ellipse to parabola to hyperbola. The astronomy is invented: there is no evidence Hypatia doubted circular orbits. Kepler found the ellipse in 1609.

On the board

√a + √b = √c ✗

13✗Wrong

The Wizard of Oz1939

The scene

The Wizard hands the Scarecrow a diploma, and the Scarecrow at once recites a theorem to prove he finally has a brain.

The mathematics

He says the square roots of any two sides of an isosceles triangle add up to the square root of the third. Wrong triangle, square roots instead of squares, and false even so: a triangle with three sides of 1 gives 2 = 1. He was reaching for Pythagoras, a² + b² = c², for right triangles. Homer Simpson repeats the line word for word in 1993 and is corrected by a man in a toilet stall.

On the board

angle in = angle out

14✓Correct

Donald in Mathmagic Land1959

The scene

Donald Duck learns three-cushion billiards from a narrator who turns the table into a grid of diamonds and every shot into a calculation.

The mathematics

The diamond system is real pool-hall practice. Every bank shot is a reflection, and the angle of incidence equals the angle of reflection. Mirror the table across a cushion and a three-rail shot unfolds into a single straight line. Disney's 27-minute featurette was nominated for an Academy Award and has been shown in classrooms ever since.

On the board

point → circle → point

15✓Correct

Flatland: The Movie2007

The scene

Arthur Square lives in a world of two dimensions. One night he is visited by Spherius, a sphere, who appears to him as a circle that grows out of nothing and shrinks away again.

The mathematics

A sphere passing through a plane leaves a cross-section that starts as a point, swells to a full circle and shrinks back. It is the cleanest way to imagine a fourth dimension: a hypersphere passing through our space would look like a ball inflating and deflating in mid-air. The story comes from Edwin Abbott's 1884 novella.

On the board

A = π a b

16☺Played for laughs

Rushmore1998

The scene

Max Fischer daydreams that he walks up to the board and solves, in front of a stunned class, what his teacher calls the hardest geometry equation in the world: the area of an ellipse.

The mathematics

The area of an ellipse with semi-axes a and b is πab, a result Archimedes already had. The joke is Max's self-mythology: the hardest problem in the world turns out to be one line. Its perimeter, by contrast, has no exact formula in elementary terms at all. That would have been a real flex.

Reel 4 of 6 · 5 scenes

Calculus on the Blackboard

Hollywood's favourite prop is a blackboard full of integrals. Sometimes the integrals are real.

On the board

lim x→0 [ln(1−x) − sin x] ÷ [1 − cos²x]

17✓Correct

Mean Girls2004

The scene

The state Mathletes final goes to sudden death on a single limit problem. Cady Heron (Lindsay Lohan) looks at it, looks at her opponent, and realizes the answer is that there isn't one.

The mathematics

Near zero the top behaves like −2x and the bottom like x², so the whole fraction behaves like −2/x. From the right it plunges toward −∞; from the left it climbs toward +∞. The two one-sided limits disagree, so the limit does not exist. Slide x toward zero below and watch the two sides run apart.

Try it · Mean Girls

The limit does not exist

x = 0y = 0

From the left, f(−h)

31.324

heading to +∞

From the right, f(+h)

-32.327

heading to −∞

For small x the fraction is close to −2/x. Two sides, two different infinities: a limit has to be one number, so there is none.

On the board

∫ x² sin x dx = −x² cos x + 2x sin x + 2 cos x + C

18✓Correct

Stand and Deliver1988

The scene

Jaime Escalante (Edward James Olmos) teaches AP Calculus at Garfield High in East Los Angeles, and shows a room of skeptical teenagers a trick he calls tic-tac-toe.

The mathematics

Repeated integration by parts collapses into a table: differentiate one factor down a column until it hits zero, integrate the other down the next, then multiply along the diagonals with alternating signs. For ∫x² sin x dx it takes three moves. In 1982, eighteen of Escalante's students passed the AP exam; the testing service, suspicious, made them sit it again, and they passed again.

The true story behind the film

On the board

number of labelled trees = nⁿ⁻²

19✓Correct

Good Will Hunting1997

The scene

Professor Lambeau leaves a problem on a hallway blackboard at MIT for his graduate students. By morning someone has solved it, and it turns out to be Will Hunting, the janitor.

The mathematics

Among the formulas on Will's boards is Cayley's: there are nⁿ⁻² different trees joining n labelled points. Sixteen on four points, 125 on five, a hundred million on ten. The neatest proof, by Heinz Prüfer, turns every tree into a list of n − 2 labels and back, which makes the count obvious. Each shuffle below draws a random list and the tree it encodes.

Our page on Good Will Hunting

Try it · Good Will Hunting

Cayley's formula, one tree at a time

Different trees on 7 labelled points

16,807

= 75

Prüfer code of this tree

14736

5 slots, each holding any of 7 labels: that is 75 codes, and every code builds exactly one tree.

1234567

On the board

V = {F : ℝ³∖X → ℝ³ | ∇×F = 0}, W = {F = ∇g}, dim(V/W) = ?

20≈Half right

A Beautiful Mind2001

The scene

John Nash (Russell Crowe), bored by his multivariable calculus class at MIT, writes a problem on the board, says it may take some of them the rest of their lives, and opens the window.

The mathematics

The problem asks how many curl-free vector fields fail to be gradients once a set X is removed from space. That is de Rham cohomology, the bridge between calculus and topology, and the answer depends on the shape of X: remove a single line and the answer is one. Mathematicians love the scene, with one complaint. The board never says what X is.

Our page on A Beautiful Mind

On the board

yₙ₊₁ = yₙ + h · f(xₙ, yₙ)

21✓Correct

Hidden Figures2016

The scene

At NASA Langley, Katherine Goble Johnson (Taraji P. Henson) has to bring John Glenn's capsule down from an elliptical orbit, and the clean equations will not do it.

The mathematics

Her answer in the film is old mathematics: Euler's method, which walks along a differential equation in small steps, each one following the current slope. It is still how computers solve equations nobody can integrate by hand. The real Johnson did check Glenn's 1962 trajectory; he asked for her to verify the IBM's numbers before he would fly.

Five math movies that actually happened

Reel 5 of 6 · 6 scenes

Codes, Logic & Puzzles

Matches, jugs, hourglasses and hidden primes. Games with rules, and the rules have proofs.

On the board

1 ⊕ 3 ⊕ 5 ⊕ 7 = 0

22✓Correct

Last Year at Marienbad1961

The scene

In a baroque hotel, a man lays out sixteen matches in rows of 1, 3, 5 and 7 and invites the guests to play: take as many as you like from one row; whoever takes the last match loses. He never loses.

The mathematics

The game is Nim, solved by Charles Bouton at Harvard in 1901. Write each row in binary and add without carrying: 1 ⊕ 3 ⊕ 5 ⊕ 7 = 0. A position whose nim-sum is zero is lost for the player to move; every move breaks the zero, and the expert puts it back. That is why he always lets his opponent go first. Play him below. You start, so you are already losing.

Try it · Last Year at Marienbad

Beat the man who never loses

001
011
101
111

Your move: click a match to take it and every match to its right.

nim-sum 000 · zero

You 0 · He 0

The grey numbers are each row in binary. Until the last few matches, whenever he hands you the board, every column holds an even number of 1s and the nim-sum reads 000. Let him start and he has to break that himself, and then perfect play wins for you.

On the board

3x + 5y = 4

23✓Correct

Die Hard with a Vengeance1995

The scene

Beside a fountain in Tompkins Square Park, a bomb waits with Simon's next riddle: put exactly four gallons of water on the scale, using only a three-gallon and a five-gallon jug. McClane and Zeus have five minutes.

The mathematics

Fill the 5, pour it into the 3 (two gallons left), empty the 3, pour the two across, refill the 5, top up the 3. Four gallons. It works because 3 and 5 share no common factor: by Bézout's identity, jugs whose sizes are coprime can measure any whole amount up to the larger jug. Try it yourself below, then try 6 and 4 and see why some puzzles cannot be solved.

Try it · Die Hard with a Vengeance

Exactly four gallons, or the bomb goes off

0 / 3 gal

0 / 5 gal

Target: 4 gallons in either jug. Moves so far: 0.

gcd(3, 5) = 1. Every amount you can ever measure is a multiple of 1, and so is the target: this one can be done.

On the board

n = p × q

24✓Correct

Sneakers1992

The scene

A team of security testers steals a black box that turns out to open every encryption system in the world. Its inventor, the mathematician Gunter Janek, has just lectured on a breakthrough in factoring.

The mathematics

Modern encryption, RSA above all, rests on an asymmetry: multiplying two large primes is easy, and splitting the product back into them is extraordinarily hard. Janek's lecture name-checks real methods such as the number field sieve. A fast way to factor would indeed break the internet's locks. Today the realistic threat is a large quantum computer running Shor's algorithm.

On the board

289 = 17² → trap

25✓Correct

Cube1997

The scene

Six strangers wake up inside a maze of identical cubic rooms, some rigged with lethal traps. Every hatch carries three three-digit numbers, and Leaven, a mathematics student, realizes the numbers decide which rooms kill.

The mathematics

Her first theory is that a room is trapped if any of its numbers is prime. Later she corrects it to powers of a prime, which is much harder to check in your head: 289 looks harmless until you notice it is 17². The numbers also hide each room's position in the cube. It is a rare thriller whose plot runs on number theory.

On the board

⌛4 + ⌛7 → 9 minutes

26✓Correct

Fermat's Room2007

The scene

Four mathematicians accept a dinner invitation from a host who calls himself Fermat. The room they are shown into has walls that close in a little more every time a puzzle goes unsolved.

The mathematics

The puzzles are classics. One asks how to time nine minutes with a four-minute and a seven-minute hourglass. Start both. When the 4 runs out, flip it. When the 7 runs out at minute seven, flip it. When the 4 runs out again at minute eight, the 7 has exactly one minute of sand in its lower half; flip it, and it finishes at nine.

On the board

365 − 1 = 364 unbirthdays

27✓Correct

Alice in Wonderland1951

The scene

The Mad Hatter and the March Hare are celebrating their unbirthday, and so, it turns out, is Alice.

The mathematics

Everyone has one birthday and 364 unbirthdays a year, so on any given day nearly the whole world is due a party. Its serious cousin is the birthday paradox: in a room of just 23 people, the chance that two share a birthday is already above one half. Lewis Carroll, who was the Oxford mathematician Charles Dodgson, would have liked both.

Reel 6 of 6 · 3 scenes

Chaos & the Cosmos

Butterflies, roulette wheels and a planet where an hour costs seven years.

On the board

δ(t) ≈ δ₀ · e^(λt)

28≈Half right

Jurassic Park1993

The scene

Riding through the park in a jeep, the chaotician Ian Malcolm (Jeff Goldblum) lets drops of water fall on Ellie Sattler's hand to show her that no two take the same path.

The mathematics

Sensitive dependence on initial conditions is real: in a chaotic system, tiny differences grow exponentially, which is why weather forecasts fall apart after a week or two. Malcolm's leap from water drops to the dinosaurs will get out is a mood more than a theorem, but the film gave millions of people their first lesson in chaos theory.

On the board

P(20, then 20) = 1/37²

29≈Half right

Run Lola Run1998

The scene

Lola has twenty minutes to find 100,000 marks. The film runs her race three times; each time a few seconds change at the start, and each ending is completely different.

The mathematics

The structure is the butterfly effect, turned into a film. In the third run Lola walks into a casino and puts everything on 20 at roulette, twice. On a single-zero wheel each bet wins with probability 1/37, so two in a row is 1 in 1,369. The film suggests her scream helps.

On the board

1 hour ↔ 7 years (× 61,000)

30✓Correct

Interstellar2014

The scene

Cooper's crew lands on Miller's planet, which orbits close to the black hole Gargantua. Every hour they spend on its surface costs seven years for the crewmate waiting on the ship.

The mathematics

That is a slowdown factor of about 61,000, and it comes straight from general relativity: clocks run slower deep in a gravitational well. Kip Thorne, the film's science adviser and later a Nobel laureate, worked out that it is possible only if Gargantua spins at almost the maximum rate a black hole can. GPS satellites correct for a far gentler version of the same effect every day.

Einstein's E = mc² manuscript

The catalog

168 more films with mathematics in them

The thirty scenes above are the ones worth stopping the film for. The rest of the list is wider and stranger: a Marcel Pagnol bartender whose four thirds do not add up, a Monty Python football match between Greek and German philosophers, a Harrison Ford adventure built around the Antikythera mechanism, an episode of Futurama that needed a new theorem to resolve its plot. Search it, filter it by the kind of mathematics, or browse it by decade.

Mathematics on screen is not an old habit. Of the 198 films on this page, the decades since 2000 hold more than all the earlier ones together, helped along by science advisers, streaming series and a generation of writers who took calculus.

Films on this page, by decade

NumbersChanceGeometryCalculusPuzzlesCosmos
3’30s4’40s6’50s9’60s12’70s12’80s39’90s62’00s32’10s19’20s

168 films

  • 2026

    Project Hail Mary

    A teacher and an alien build a shared language from numbers and units.

    Cosmos
  • 2025

    Prime Target

    A Cambridge mathematician's breakthrough on prime numbers puts him in danger.

    Numbers
  • 2024

    3 Body Problem

    Three suns and no general formula for their motion: chaos at a planetary scale.

    Cosmos
  • 2023

    Oppenheimer

    Will the bomb ignite the atmosphere? The calculation says the chance is near zero.

    Cosmos
  • 2023

    Tetris

    The falling-block puzzle, born on a Soviet research computer.

    Puzzles
  • 2023

    Marguerite's Theorem

    A doctoral student's work on the Goldbach conjecture collapses, and she starts over.

    Numbers
  • 2023

    Indiana Jones and the Dial of Destiny

    Archimedes' Antikythera mechanism, turned into a device for finding time fissures.

    Geometry
  • 2022

    Everything Everywhere All at Once

    The multiverse, one branching choice at a time.

    Cosmos
  • 2022

    Lightyear

    Time dilation: every four-minute test flight costs four years at home.

    Cosmos
  • 2022

    Matilda the Musical

    Matilda multiplies large numbers in her head in front of her class.

    Numbers
  • 2022

    The Batman

    The Riddler leaves ciphers at every crime scene.

    Puzzles
  • 2021

    Squid Game

    The glass bridge: every step a coin flip, with an expected number of survivors.

    Chance
  • 2021

    Don't Look Up

    A comet's orbit computed, confirmed and ignored.

    Cosmos
  • 2021

    Ted K

    Ted Kaczynski, a former Berkeley mathematician, alone in the woods.

    Cosmos
  • 2020

    The Queen's Gambit

    Beth plays out whole chess games on the ceiling.

    Puzzles
  • 2020

    Tenet

    Entropy runs backwards for inverted objects.

    Cosmos
  • 2020

    Enola Holmes

    Anagrams and ciphers hidden in a mother's message.

    Puzzles
  • 2020

    The Banker

    Two Black entrepreneurs in 1960s America teach a front man the numbers of real estate.

    Chance
  • 2020

    Shakuntala Devi

    India's 'human computer' extracts roots of huge numbers in seconds.

    Numbers
  • 2019

    Radioactive

    Marie Curie and the mathematics of decay.

    Cosmos
  • 2017

    Gifted

    Seven-year-old Mary multiplies in her head with the Trachtenberg method.

    Numbers
  • 2016

    Arrival

    A linguist decodes a language; Fermat's principle of least time hides in the story.

    Puzzles
  • 2016

    The Thinning

    A linear algebra and calculus test decides who lives.

    Calculus
  • 2015

    The Man Who Knew Infinity

    Ramanujan and Hardy at Cambridge, and partitions checked by hand.

    Numbers
  • 2015

    The Big Short

    Correlated risk and the hot-hand fallacy, explained at a blackjack table.

    Chance
  • 2014

    The Imitation Game

    Turing's machine against Enigma, and the statistics of not acting on every broken message.

    Puzzles
  • 2014

    The Theory of Everything

    Hawking's radiation sketched in chalk.

    Cosmos
  • 2014

    Ex Machina

    A Turing test with far higher stakes than usual.

    Puzzles
  • 2014

    X+Y

    A teenage prodigy competes at the International Mathematical Olympiad.

    Numbers
  • 2014

    The Fault in Our Stars

    Some infinities are bigger than other infinities: Cantor in a love story.

    Numbers
  • 2014

    Guardians of the Galaxy

    What does it mean to have twelve percent of a plan?

    Chance
  • 2013

    Coherence

    A passing comet splits one dinner party into many versions.

    Cosmos
  • 2013

    The Physician

    Ibn Sina's school in Isfahan, where medicine and astronomy meet.

    Cosmos
  • 2013

    After the Dark

    A philosophy class runs thought experiments, including the infinite monkey theorem.

    Chance
  • 2012

    Safe

    A girl who memorizes long strings of numbers is hunted for what is in her head.

    Numbers
  • 2012

    Lincoln

    Lincoln quotes Euclid's first common notion: things equal to the same thing are equal to each other.

    Geometry
  • 2012

    Travelling Salesman

    Four mathematicians solve P versus NP and argue over handing it to the government.

    Puzzles
  • 2012

    Measuring the World

    Gauss and Humboldt measure the world, one with numbers and one on foot.

    Geometry
  • 2011

    Calculus of Love

    A short film about a man consumed by the Goldbach conjecture.

    Numbers
  • 2011

    The Double

    A classroom lesson on hypothesis testing and p-values.

    Chance
  • 2010

    The Names of Love

    Integrals glimpsed in a French math class.

    Calculus
  • 2010

    Flipped

    Working out the area of a rhombus in the middle of a love story.

    Geometry
  • 2010

    The Killer Inside Me

    A brief moment of calm in a brutal film: Lou works through integrals.

    Calculus
  • 2010

    Rites of Love and Math

    Edward Frenkel's short film, in which a formula is tattooed onto skin.

    Numbers
  • 2010

    Inception

    The Penrose stairs, an impossible loop, built inside a dream.

    Geometry
  • 2010

    Futurama: "The Prisoner of Benda"

    A real theorem in group theory, proved by a writer for the episode.

    Puzzles
  • 2010

    Sherlock: "The Blind Banker"

    A book cipher painted in graffiti across London.

    Puzzles
  • 2009

    Agora (relative motion)

    Hypatia drops a sack from the mast of a moving ship to show that motion is relative.

    Cosmos
  • 2009

    Agora (epicycles)

    A student models the Ptolemaic universe of circles riding on circles.

    Cosmos
  • 2009

    A Serious Man

    A physics professor's life as a running demonstration of the uncertainty principle.

    Cosmos
  • 2009

    G.I. Joe: The Rise of Cobra

    A shadow's angle reveals the latitude of a photo: Eratosthenes' trick.

    Geometry
  • 2009

    The Hangover

    Alan counts cards in Las Vegas while equations swirl around his head.

    Chance
  • 2009

    Star Trek

    Young Spock is quizzed on the volume of a sphere, 4/3 πr³.

    Geometry
  • 2009

    Night at the Museum: Battle of the Smithsonian

    The secret combination at the heart of the pyramid is π.

    Numbers
  • 2009

    Up in the Air

    Ryan treats frequent-flyer miles as a number worth living for: ten million.

    Numbers
  • 2009

    Knowing

    A page of numbers predicts disasters with dates, death tolls and coordinates.

    Numbers
  • 2008

    The Last Enemy

    A mathematician returns to London; the theorem in the background is the Poincaré conjecture.

    Numbers
  • 2008

    Suspect X

    A genius math teacher in a Japanese thriller; the four colour theorem comes up over dinner.

    Numbers
  • 2008

    Butterfly Dreaming

    What are the odds that two raindrops hit the same leaf?

    Chance
  • 2008

    The Oxford Murders

    A lecture on Wittgenstein and truth, then a string of murders built like a logic puzzle.

    Puzzles
  • 2008

    The Happening

    A math teacher calms a panicking passenger with a doubling-penny problem.

    Numbers
  • 2008

    21 (Newton's method)

    Ben recognizes Newton's method for finding roots on the blackboard.

    Calculus
  • 2008

    The Office: "The Duel"

    Oscar explains a budget surplus as if to a five-year-old.

    Chance
  • 2008

    Revolutionary Road

    John Givings, a mathematician on leave from an asylum, says what nobody else will.

    Cosmos
  • 2008

    Dimensions

    A free educational film by Leys, Ghys and Alvarez about the fourth dimension.

    Geometry
  • 2008

    Einstein and Eddington

    The 1919 eclipse that confirmed the bending of starlight.

    Cosmos
  • 2007

    Cranford

    Adding up household incomes, and an aside on whether girls should learn mathematics.

    Numbers
  • 2007

    Shrek the Third

    Pinocchio tangled in double negatives, trying not to lie.

    Puzzles
  • 2007

    The Number 23

    Jim Carrey finds 23 everywhere, which is easy if you look hard enough.

    Numbers
  • 2007

    The Office: "Dunder Mifflin Infinity"

    The bouncing logo screensaver: will it ever hit the corner? A modular arithmetic question.

    Numbers
  • 2006

    Jane Eyre (BBC)

    Jane tutors Adèle in fractions.

    Numbers
  • 2006

    Mission: Impossible III

    Swinging off a skyscraper: pendulum physics.

    Calculus
  • 2006

    The Da Vinci Code

    A scrambled Fibonacci sequence is the first clue at the Louvre.

    Numbers
  • 2006

    Idiocracy

    A bucket question that nobody in the year 2505 can answer.

    Numbers
  • 2005

    The Wild Blue Yonder

    Werner Herzog mixes real NASA footage and interviews into a tale of chaotic orbits.

    Cosmos
  • 2005

    The Island

    Clones believe a lottery decides who goes to the island.

    Chance
  • 2005

    Mozart and the Whale

    Two people with Asperger's, one of them a numbers prodigy driving a cab.

    Numbers
  • 2004

    National Treasure

    An Ottendorf cipher hidden in Benjamin Franklin's letters.

    Puzzles
  • 2004

    P.S.

    An astrophysicist's equations on a Columbia University blackboard.

    Cosmos
  • 2004

    The Perfect Score

    SAT problems for a heist crew.

    Numbers
  • 2004

    Yakitate!! Japan

    A message encoded as a number in base 26.

    Puzzles
  • 2004

    Primer

    Engineers build a time machine in a garage; the plot rewards a flowchart.

    Cosmos
  • 2003

    Old School

    Tough calculus problems on a college test.

    Calculus
  • 2002

    Equilibrium

    The gun kata is sold as a statistical analysis of where bullets are likely to fly.

    Chance
  • 2002

    The Time Machine

    A professor's blackboards full of time-travel mathematics.

    Calculus
  • 2002

    A Walk to Remember

    A tutoring session on equilateral and isosceles triangles.

    Geometry
  • 2002

    Hypercube

    The sequel to Cube, set inside a four-dimensional tesseract.

    Geometry
  • 2002

    The Count of Monte Cristo

    Abbé Faria teaches Edmond mathematics in prison.

    Numbers
  • 2002

    Copenhagen

    Heisenberg and Bohr's 1941 meeting, replayed under uncertainty.

    Cosmos
  • 2001

    Intacto

    Luck as a property that can be stolen, with talk of the odds of drawing an ace.

    Chance
  • 2001

    The Bank

    A young mathematician believes complex dynamics can forecast the stock market.

    Cosmos
  • 2001

    A.I. Artificial Intelligence

    Humans as meaning-seekers, through art, poetry and mathematical formulas.

    Cosmos
  • 2001

    The Code Conspiracy

    The Ulam prime spiral appears on screen.

    Numbers
  • 2001

    Enigma

    Bletchley Park codebreakers chase Shark, the naval Enigma.

    Puzzles
  • 2001

    K-PAX

    Prot sketches a planet's orbit for astronomers who cannot believe it.

    Cosmos
  • 2001

    A Beautiful Mind (the bar)

    The blonde in the bar: Nash's equilibrium, which the film gets wrong.

    Chance
  • 2000

    In July

    A free-fall problem, solved first on paper and then for real.

    Calculus
  • 2000

    Bedazzled

    The Devil, as a teacher, assigns Fermat's Last Theorem, then cancels all homework.

    Numbers
  • 2000

    Cast Away

    Chuck computes the search area rescuers would have to cover: twice the size of Texas.

    Geometry
  • 1999

    October Sky

    Homer Hickam teaches himself the equations of free fall to build rockets.

    Calculus
  • 1999

    Fight Club

    The recall formula: A × B × C = X.

    Chance
  • 1998

    23

    German hackers in the Cold War, drawn into the numerology of 23.

    Puzzles
  • 1998

    Croupier

    Odds and house edges from the dealer's side of the table.

    Chance
  • 1998

    The Red Violin

    A violin's vibration patterns, three centuries of them.

    Geometry
  • 1997

    The Full Monty

    A blunt piece of mental arithmetic: ten times a thousand.

    Numbers
  • 1997

    The Ice Storm

    A musing that 2 × 2 = 4 is not about numbers but about space.

    Geometry
  • 1997

    Smilla's Sense of Snow

    Smilla tells a boy why she loves numbers: naturals, negatives, fractions.

    Numbers
  • 1997

    The Saint

    Formulas for cold fusion scribbled on scraps of paper.

    Cosmos
  • 1997

    Good Will Hunting (Parseval)

    A linear algebra lecture at MIT on Parseval's identity from Fourier theory.

    Calculus
  • 1997

    Contact (the cube)

    The alien message is a primer whose pages assemble into a cube.

    Geometry
  • 1996

    Breaking the Code

    Derek Jacobi as Alan Turing, explaining the scale of the Enigma problem.

    Puzzles
  • 1996

    The Mirror Has Two Faces

    A math professor lectures on twin primes.

    Numbers
  • 1996

    Infinity

    Young Richard Feynman races an abacus seller at computing cube roots.

    Numbers
  • 1995

    Hackers

    A computer worm visualized as a storm of floating formulas.

    Puzzles
  • 1995

    12 Monkeys

    Brad Pitt's patient rambles about predicting the future with probabilities.

    Chance
  • 1995

    Antonia's Line

    A lecture on algebraic topology in a Dutch village saga.

    Geometry
  • 1995

    The Prophecy

    "Study math, it's the key to the universe," an angel advises.

    Cosmos
  • 1995

    The Simpsons: "Treehouse of Horror VI"

    Homer slips into the third dimension past floating equations.

    Geometry
  • 1995

    Good Night, Mr. Bean

    Counting sheep, Mr. Bean switches to addition to fall asleep.

    Numbers
  • 1995

    Mr. Holland's Opus

    Long division against Mozart in the school budget fight.

    Numbers
  • 1995

    Die Hard with a Vengeance (St Ives)

    As I was going to St Ives: the riddle whose answer is one.

    Numbers
  • 1994

    Reality Bites

    A conversation about the mathematics of astronomy.

    Cosmos
  • 1994

    Little Big League

    A boy manager tests his team with the two-painters work-rate problem.

    Calculus
  • 1991

    Star Trek: TNG, "The Nth Degree"

    Barclay becomes a genius and debates a unified theory with a holographic Einstein.

    Cosmos
  • 1991

    Father of the Bride

    Hot dogs come in eights, buns in twelves: George Banks's war on packaging.

    Numbers
  • 1991

    Little Man Tate

    A seven-year-old genius among college students and quiz champions.

    Numbers
  • 1990

    Lambada

    A Beverly Hills teacher on complementary angles and sin²x + cos²x = 1.

    Geometry
  • 1990

    Back to the Future Part III

    Doc calls Clara one in a googolplex: ten to the power of a googol.

    Numbers
  • 1990

    The Simpsons: "Bart the Genius"

    Bart sweats over a train problem at the learning centre.

    Numbers
  • 1989

    Parenthood

    A child prodigy takes the square root of a large number.

    Numbers
  • 1988

    Drowning by Numbers

    Peter Greenaway counts from 1 to 100 on screen; a girl counts the stars.

    Numbers
  • 1988

    Big

    Josh helps a kid with his algebra homework.

    Calculus
  • 1988

    Young Einstein

    Yahoo Serious splits the beer atom.

    Cosmos
  • 1987

    Three O'Clock High

    To clear a cheating accusation, a student must solve two problems at the board.

    Calculus
  • 1986

    The Clan of the Cave Bear

    Ayla learns to count beyond her fingers, to the alarm of the clan.

    Numbers
  • 1986

    Labyrinth

    Two doors, two guards: one always lies, one always tells the truth.

    Puzzles
  • 1985

    Real Genius

    Power series, then Bessel functions, in a lecture hall that empties until only tape recorders remain.

    Calculus
  • 1983

    The Pirates of Penzance

    The very model of a modern major-general, with quadratic equations.

    Numbers
  • 1980

    It's My Turn

    Jill Clayburgh proves the snake lemma, a real result from homological algebra, at the board.

    Calculus
  • 1979

    Apocalypse Now

    The photojournalist's manic speech about math and poetry.

    Numbers
  • 1976

    Network

    Arthur Jensen's thundering speech casts money and markets as the one primal force of nature.

    Numbers
  • 1976

    The Pink Panther Strikes Again

    Torture by fingernails on a blackboard full of wrong sums.

    Numbers
  • 1973

    Amarcord

    A Fellini classroom where a student stumbles through the quadratic formula.

    Calculus
  • 1972

    Monty Python: "Philosophers' Football"

    Greek against German philosophers; Archimedes finally shouts Eureka and scores.

    Puzzles
  • 1972

    Monty Python: "Argument Clinic"

    What exactly is an argument? Logic as a paid service.

    Puzzles
  • 1971

    Straw Dogs

    An astrophysicist and a blackboard his wife quietly sabotages.

    Cosmos
  • 1970

    The Phantom Tollbooth

    The Dodecahedron guards the road to Digitopolis with riddles.

    Numbers
  • 1970

    Little Big Man

    A liar's paradox on the road to Little Bighorn.

    Puzzles
  • 1970

    Colossus: The Forbin Project

    Two supercomputers invent a shared mathematical language to talk to each other.

    Puzzles
  • 1970

    Zorns Lemma

    Hollis Frampton's experimental film, built from an alphabetical grid.

    Numbers
  • 1970

    Catch-22

    The logical trap that gave the language its phrase.

    Puzzles
  • 1968

    Once Upon a Time in the West

    Counting horses, and thousands of thousands.

    Numbers
  • 1967

    Bedazzled

    The liar's paradox in a Faustian comedy.

    Puzzles
  • 1966

    Fahrenheit 451

    Uniformed students recite multiplication tables.

    Numbers
  • 1965

    The Knack …and How to Get It

    The law of reflection, stated in a Swinging London comedy.

    Geometry
  • 1965

    Flatland (short)

    An animated short in which a sphere reveals the third dimension.

    Geometry
  • 1965

    For a Few Dollars More

    Counting the bounty, one dead outlaw at a time.

    Numbers
  • 1965

    Alphaville

    Lemmy Caution against a city run by a computer of pure logic.

    Puzzles
  • 1963

    It's a Mad, Mad, Mad, Mad World

    Motorists try to divide the loot fairly and get lost in the division.

    Numbers
  • 1958

    Merry Andrew

    Danny Kaye teaches Newton, geodesics and Pythagoras in song.

    Geometry
  • 1957

    Desk Set

    Katharine Hepburn fields rapid-fire 'mathematical' questions on a rooftop.

    Numbers
  • 1955

    The Dam Busters

    Simple triangle geometry turns a wooden sight into a rangefinder for the bouncing bomb.

    Geometry
  • 1951

    Alice in Wonderland (the raven)

    Why is a raven like a writing desk? Carroll's riddle with no intended answer.

    Puzzles
  • 1949

    Ma and Pa Kettle

    Three confident 'proofs' that 25 ÷ 5 = 14.

    Numbers
  • 1941

    The Maltese Falcon

    Layers of double-talk and twisted logic about a black bird.

    Puzzles
  • 1941

    How Green Was My Valley

    A bathtub filling from two taps while it leaks: a classic rate problem.

    Calculus
  • 1932

    Horse Feathers

    The Marx Brothers on a college campus: mathematics by bluster.

    Numbers
  • 1931

    Marius

    A bartender's recipe in thirds that do not add up: it depends on the size of the thirds.

    Numbers

Questions people ask

Which movie says "the limit does not exist"?+

Mean Girls (2004). At the state Mathletes final, Cady Heron wins the sudden-death round by recognizing that the limit of [ln(1−x) − sin x] / [1 − cos²x] as x approaches 0 does not exist. The function behaves like −2/x near zero, so it runs to −∞ from the right and +∞ from the left.

What is the math problem in Good Will Hunting?+

The hallway blackboard problems are real graph theory. One involves counting walks with an adjacency matrix, another asks for all homeomorphically irreducible trees with ten vertices, and Cayley's formula, nⁿ⁻² labelled trees on n points, also appears. They are hard for a first-year student but not research-level mathematics.

Is the Monty Hall scene in 21 correct?+

Yes. Switching doors wins two times out of three. Your first pick is right one time in three, and because the host always opens a door with a goat, the remaining two-thirds probability moves to the other closed door.

How do you get exactly 4 gallons with a 3- and a 5-gallon jug?+

Fill the 5-gallon jug and pour it into the 3-gallon jug, leaving 2. Empty the 3, pour the 2 gallons into it, refill the 5 and top up the 3. Exactly 4 gallons remain in the big jug. It works because 3 and 5 have no common factor.

What are the most mathematically accurate movies?+

Films that hired mathematicians or physicists as advisers tend to get it right: Good Will Hunting, A Beautiful Mind, Proof, Hidden Figures, Interstellar and Contact. Cube and Last Year at Marienbad are also exact in their mathematics, even though nobody in them is giving a lecture.

The best of these scenes do what a good teacher does. They make you want to know the answer before they give it to you. Harold Finch makes the case in his speech about π, and Aronofsky's Pi shows what happens when the wanting goes too far. Somewhere between the two is a seat in the dark, a scene you have seen ten times, and a sudden urge to pause it and check the board.

Sources

  • Oliver Knill, Mathematics in Movies, Harvard University. Since 2006 the archive has collected some six hundred film clips with mathematics in them, and it is where this list began.
  • Charles L. Bouton, “Nim, a Game with a Complete Mathematical Theory,” Annals of Mathematics, 1901.
  • Kip Thorne, The Science of Interstellar, W. W. Norton, 2014.
  • Michael Lewis, Moneyball: The Art of Winning an Unfair Game, W. W. Norton, 2003.
  • D. Kim Rossmo, Geographic Profiling, CRC Press, 2000.

Keep wandering

A few more pieces in the same spirit — math, design, and slow attention.