This program is an example of using matplotlib library to make graphs with hover labels and uses PyQt5 backend for the GUI. It was difficult coming up with hover labels for matplotlib that would work ...

import matplotlib.pyplot as plt horizontal = [10,20] # the horizontal axis starts at 10 and ends at 20 vertical = [100,250] # the vertical axis starts at 100 and ends at 250 plt.plot(horizontal, ...

For example, the line graph below shows the Consumer Price Index again. However, this graph shows the change in price for three different categories: medical care (red), ...

Learn about line graphs with this BBC Bitesize Maths article. For students between the ages of 11 and 14.