Most people learned math as children by writing out problems on paper. This calculator app lets you do just that, but also lets you perform complex computations, all by writing numbers and symbols on ...

In algebra, letters are used to stand for values that can change (variables) or for values that aren’t known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...

To remove brackets is to multiply the term outside the brackets by each term inside. Factorising an expression is to write it as a product of its factors. Check your understanding of the process with ...