# Interactive Mathematics

## Math Lessons

## Algebra

## Money

## Graphs

## Trigonometry

## Imaginary

## Probability

## Differentiation

## Integration

## Higher Calculus

## Math Art and Code

### Explore math

Use interactive apps to explore math and get a better understanding of what it all means. Go ahead - play and learn!

There's over 300 easy to understand math lessons.

### What users say...

- The interactive graphs make the concepts accessible to my students. (
*April*) - After going through "intmath", I am able to derive calculus formulas by myself. (
*Sunil*) - I find IntMath very useful in terms of explaining technique is very effective for understanding (
*Mahadeva Prasad*)

### Latest articles

#### Infinite series background

Infinite series have played an important role in the development of mathematics, especially calculus. Here's some background to some applets I wrote recently... more »

#### The object with finite volume but infinite surface area

This object has a weird property - it has finite volume, but infinite surface area. How is this possible?.. more »

#### Double springs interactive graph

The revised double spring applet now allows exploration on mobile devices. Here is some background... more »

### Popular classics

### The IntMath Newsletter

Sign up for the free **IntMath Newsletter**. Get math study tips, information, news and updates each fortnight. Join thousands of satisfied students, teachers and parents!