Algebra uses letters and symbols in the place of numbers and can be used to simplify expressions. Algebraic notation close algebraic notationA series or system of written symbols used to represent ...

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 ...

The Hindu is introducing a new section called Toolbox, which will explain how to use software and hardware tools for everyday use. This will be of interest to learners, students, hobbyists, and anyone ...

PROF. GREENHILL, on p. 462 (March 19), gives a naïve and most instructive description of the straits to which a “practical man” is put when he wishes to interpret the simplest general formula.