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.

Smartphones and PCs are equipped with calculator apps, which allow you to instantly find the answer for simple calculations. However, it is very difficult to develop a calculator that can display ...