The symbols we use every day have fascinating and surprisingly recent origins, explains author Joseph Mazur in his new book A few years ago friends and I were talking about the origins of written ...

The study of mathematics has existed since ancient times. Multiplication tables and other math exercises have been found carved into Babylonian tablets from some 3,700 years ago. But the symbols that ...

A formula is a rule that links variables and can be written using mathematical symbols. Substitute the given values for the length of one side (12) and the number of sides (5). Follow the formula ...

DR. LODGE'S remarks on p. 513 (April 2), ought not, I think, to pass without protest. He very reasonably objects to being asked to use a formula which is adapted to one particular set of units, and is ...