Learn how to solve simultaneous equations using substitution, algebraic and graphical methods with this BBC Bitesize Key Stage 3 Maths guide, then practise with examples and test questions.

Free interactive and download to print GCSE Maths flashcards to help prepare for your GCSE exams. Revise topics such as algebraic expressions, algebraic formulae, solving linear equations, solving ...

By harnessing randomness, a new algorithm achieves a fundamentally novel — and faster — way of performing one of the most basic computations in math and computer science.