Python allows free creation of plots, unlike expensive, stagnant graphing calculators. Import NumPy and Matplotlib for basic ...

The iPad Calculator ... equations. By integrating handwriting recognition, real-time computation, and dynamic graphing, this tool provides an intuitive and interactive way to solve equations ...

We’re suckers for good-looking old-school calculators ... uses five methods to solve single-variable equations and Newton-Raphson for simultaneous equations. The exact method depends on the ...

Key fact If your calculator has an ANS button, use it to keep the value from one iteration to substitute into the next iteration. To solve the equation on a calculator with an ANS, type 2 =, then ...