You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

A date-and-cost line chart tracks a commodity's changing price over time. Economists use such diagrams to display broad market trends and predict future prices. Businesses that restock continually use ...

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 ...

There are several ways to create maps in Microsoft Excel 2007. While you can always paste map images into a worksheet or even draw your own maps using the shape and line tools, most businesses need ...