Saving equations in a calculator can be useful for many reasons. You may want to store equations in a calculator so they can be graphed. You may also want to save an equation so you can see what you ...

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

The questions in this quiz are suitable for GCSE maths students studying equations and identities, number machines, solving equations, solving equations with brackets, solving equations with unknowns ...