Colour in Mathematics, PowerPoint or pdf version, Colour in Mathematics.

For further information on some of these examples see also:

• Graspable Math
• Factorisation of Quadratic Expressions
• Desmos Transformations and more advanced transformations
• Linear Programming including this Linear Programming Grapher
• Integration – Desmos and WolframAlpha
• Colourful Chi Squared includes this Chi Squared Calculator from Social Science Statistics which is for a contingency table with up to 5 rows and columns. It is very simple to use, enter the group and category names, then the data, choose the significance level and calculate.