Python allows free creation of plots, unlike expensive, stagnant graphing calculators. Import NumPy and Matplotlib for basic linear and polynomial plots in Python. Seaborn lets you make ...

Save guides, add subjects and pick up where you left off with your BBC account. A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate ...

The bars were drawn using one set of values ... linear scale. It shows how easily our eyes can pick up this kind of distortion. Drawing the data to scale is a basic requirement of an accurate graph.