The subject of a formula is the variable that is being worked out. It can be recognised as the letter on its own on one side of the equals sign. For example, in the formula for the area of a rectangle ...

Polynomial equations are a cornerstone of modern science, providing a mathematical basis for celestial mechanics, computer graphics, market growth predictions and much more. But although most high ...

Students have launched a petition calling maths A level exams 'completely unreasonable' after struggling to answer questions on this year's test. Hundreds have already signed the petition while many ...