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How to Use Python as a Free Graphing Calculator

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 statistical ...
Ars Technica

Simple graphing calculators that are easy to use

I have two semesters of math classes to complete: Trigonometry and Calculus I. I have at TI-89 graphing calculator that I absolutely hate. Who the hell makes the interfaces for these things? 46 ...