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 ...

This example shows how to fill the area between two plot lines by concatenating two data sets into one to form a polygon with the data points. It uses a SYMBOL statement to specify a pattern to fill ...

When creating a chart in Microsoft Excel, there may be a lot of extra white space surrounding the actual data. When printing or sharing the chart in other applications this can create a lot of ...