This Excel sheet lists the heights of three well-known buildings. To create a column chart, I will select the data, click ...

One way to improve your spreadsheet is to present data in chart form, and Excel is a great program for doing just this.

Instead of leaving a wide gap in the Excel chart, users can adjust it to make the chart layout more beautiful. Below are ...

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.