Mathematics

This section of the site contains resources for teaching the mathematical concepts essential to the programmer, and useful for KS3 Computing and GCSE and A Level Computer Science.

Boolean Logic

An introduction to Boolean logical operators

Bitwise

How to use bit-wise logical operators

Number Bases

Working in other number bases

Trigonometry

A visual interactive introduction to what sines and cosines are

Circles

Two techniques that you can use to draw a circle or create circular motion

Factors

A visual investigation of squares, factors and prime numbers

Times Tables

Array-based testing of times tables

Angles

Test your ability to estimate the size of angles with this simple test

Abacus

An abacus that works in different number bases from 2 to 1

Modulo

Read about why you should know about modular arithmetic

The techniques described here can be used in most high-level programming languages, including VisualBASIC and JavaScript.