Two columns or rows of data in Microsoft Excel may contain useful information, but you'll just have a set of numbers. You can give spreadsheet viewers a graphical representation of those numbers by ...

Edit your horizontal chart data in Excel 2007 with a variety of available tools. Change the data, format, titles and scale of your scatterplot's horizontal axis. Scatterplots are a type of chart in ...

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 ...