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 ...

Two columns or rows of data in Microsoft Excel may contain useful information, but you'll just have a set of numbers. You can give spreadsheet viewers a graphical representation of those numbers by ...

Descriptive labels on an Excel chart enhance its readability and help you interpret the information the chart contains. Whether naming comes in the form of text, numbers or a combination, both the x ...