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

Making a square bubble chart in Microsoft Office Excel is possible if you slightly modify the chart. A bubble chart is a type of scatter chart in which your data points are shown as bubbles. These ...

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 ...