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 ...

Calculator apps on your phone or computer aren't much better. The main problem with these programs is that they try to make themselves look and work like handheld calculators.

Although it may seem easy to use a calculator because it just calculates numbers, accurate calculations are difficult because floating-point arithmetic is performed on the computer.