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 ...

Developer Pamela Fox has put together a simple tool for creating graphs from a simple Google Spreadsheet. There isn't currently all that much depth to this tool, but if you put together a spreadsheet ...

Microsoft Excel charts give you a large number of options for displaying the data in your spreadsheet. Sometimes, it is useful and informative to plot two different sets of data on the same chart, ...