Numbers by themselves seldom convey the big picture. Excel Charts makes it easy to illustrate trends in your business, from past expenses and profit to sales forecasts based on previous sales. T*o* ...

A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a large number of set intervals, it is ...

The ancient Babylonians were a remarkable bunch. Among many extraordinary achievements, they found a now-famous mathematical solution to an unpleasant challenge: paying tax. The particular problem for ...