A function machine is a way of writing rules using a flow diagram. The equation \(3j - 6 = 9\) can be shown on a function machine by writing out the functions that have been applied to \(j\) in the ...

Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points. Learn about graphs of trigonometric functions in this National 5 Maths guide.

The exercise book, which had lain forgotten at the back of a drawer for nearly 50 years, is packed with algebra and trigonometry problems that were once the lot of everyone studying O-level maths.