Substitution; Creating formulae; ... Functions are written in function notation with the name of the function (usually f or g), a variable written in brackets and an expression.

Revise how to work out the equation of a straight line using coordinates and the gradient, and vice versa. BBC Bitesize Scotland SQA National 5 Maths.

IN the report (August 30) of the discussion on the use and notation of vector analysis at the British Association is stated that I “deplored the substitution of vectors for quaternions.” The ...