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 ...

You can make a bar graph in Excel by first selecting the range of data you want to depict, and then using the dropdown menu to select the desired chart. A bar graph represents the data of an Excel ...

This article will be handy if you want to rename or edit the data series name in a Microsoft Excel graph or chart without changing the row or column name. The data series is the data that appears at ...