Python allows free creation of plots, unlike expensive, stagnant graphing calculators. Import NumPy and Matplotlib for basic ...

Adding Data Sets One at a Time Launch Excel and load the spreadsheet containing the data you want to plot. Select the first set of X and Y axis data for your chart. Click the "Insert" tab ...

A fundamental 2D plotting technique is the use of parallel ... parallel rather than orthogonal to each other. Each vertical axis depicts a different dimension with data values scaled between ...