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 ...

If you have an Excel spreadsheet that contains empty data, such as empty rows or columns, and plot a graph from the spreadsheet, Excel plots all empty data. Microsoft Excel 2010 does not plot hidden ...

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 ...