Mathematics is an utterly interesting subject. And some unique math apps make everyone discover how intriguing math really is.

Here, we have curated our favorite 18 unique math applications. Each of these applications does only one thing for you. These online math tools are the “must-haves” for any math people, and most of these apps are free. Hopefully, these math tools will make you discover different parts of mathematics.

### The Map of Mathematics

Explore our surprisingly simple, absurdly ambitious and necessarily incomplete guide to the boundless mathematical universe.

### Snowflake Generator

Snowflake generator is beautiful math tool that cycles a snowflake from a seed to its final state, and also loops its crystal distribution.

### Isometric

With Isometric you can compose simple geometric shapes to create beautiful, abstract works of art. Experience pure creativity!

### Tie Knot Generator

In the tie knot generator you get a random knot from an enumeration, and picks a random subset of the possible places.

### Project Euler

Project Euler is a series of challenging mathematical / programming problems that will require more than just mathematical insights to solve.

### Numbermatics – the Number Explorer

Curious what makes numbers tick? Numbermatics reveals everything you could want to know about the integers.

### Bauhaus Art Generator

Generated beautiful geometric shapes just in one click having unlimited variants. You can design your masterpiece!

### Euclidea

Euclidea is a beautiful geometrical puzzles based on classical Euclidian constructions. It is all about using straightedge and compass.

### Pi Day

Pi Day is a website created to encourage an interest in STEM topics. Pi Day is a celebration of everything fun and interesting about math.

### The On-Line Encyclopedia of Integer Sequences

The On-Line Encyclopedia of Integer Sequences (OEIS) is a searchable database of integer sequences accessible via the internet. It is regarded as one of the essential resources in mathematics.