If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Microsoft Excel, a spreadsheet and data analysis program, is available as a stand-alone program or as a component of the Microsoft Office productivity suite. Excel 2007 included a number of new ...

The legend on an Excel scatter plot is simply a list of the names for each of the series on the chart. The legend is color coordinated, so you can quickly determine which data points belong to which ...