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 ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

In this math tutorial, we explore how to graph cosecant functions by first understanding their reciprocal sine functions. We demonstrate the importance of factoring out the coefficient of x to ...