If you're taking math or science courses, you'll most likely only be allowed to use a handheld calculator on exams.When ...

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 ...

The other is to store values to match as keys in a dictionary, then use the values to take an action—e.g., store a function as a value and use the key or some other variable as input.