Save guides, add subjects and pick up where you left off with your BBC account. Practise solving trigonometric equations in degrees or radians using CAST and its period to find other solutions ...

Because of the complexity of object positioning in three space, some types of movement require compound commands. These compound commands are lists that ... to the specified value "zjump z Move the ...

This file provides functions and modules that construct shapes from a list of cross sections. In the case of skin() you specify each cross sectional shape yourself, and the number of points can vary.

Jean Kelly from Dublin's Institute of Education is here with six videos full of great advice and tips for the exam.