An equation is a mathematical expression that contains an equals symbol. Equations often contain algebra. Algebra is used in Maths when we do not know the exact number in a calculation - this unknown ...

An algebraic equation contains one or more letters in it. Each letter in the equation is called a variable. A variable can change in value. We guess at different values for each letter until our ...

Attacking a slew of calculus problems the night before a quiz is never my idea of a good time, but on a recent Saturday night, one problem in particular drew my ire — then, the more I mulled over it, ...