How to Graph a Function in Excel. 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 ...

A function is a rule that is applied to one set of values to give another set of values. A function can be illustrated on a graph - points are plotted as coordinates and joined by either a ...

Get started with GraphLib , an open source library for graphing mathematical functions, plotting points, and drawing line graphs in Android. Includes Java source code and the complete library of ...

National 5; Working with the graphs of trigonometric functions Phase angle. Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points.