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 ...

A chart is a graphical representation of data that helps your audience to understand your information easily; charts make comparisons in your data and analyze the trends or patterns in data sets.

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 ...

A legend box in an Excel chart lists the chart's data series. It specifies each series' name and the color of its marker on the chart. When you try to edit a legend using the Format Legend dialog box, ...