Functions: Mapping Diagram. Here we look at a function as a mapping diagram. The inputs to the function g are along the real number line a the top, the outputs of g are on the real number line in the ...

Visualizing Functions as Graphs. In the applet below is intended to help you understand the connection between the graph of a function and the function itself. Recall that a function can be thought of ...

A volatile function is a function that recalculates every time a change is made to an Excel worksheet, or whenever an existing workbook is reopened. Going one step further, when a volatile function is ...

With the help of a simple function, Excel's Conditional Formatting feature can save you time and effort. Here's an easy way to flag formulas in your worksheets.