Saving equations in a calculator can be useful for many reasons. You may want to store equations in a calculator so they can be graphed. You may also want to save an equation so you can see what you ...

I never would have passed trigonometry without my graphing calculator. Not only did it plot x and y coordinates perfectly, but its downloadable games provided just enough distraction to endure Miss ...

Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.

We’re suckers for good-looking old-school calculators, so this interesting numerical equation-solving calculator by [Peter Balch] caught our attention. Based around the ESP32-WROOM-32 module and an ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. David Kindness is a Certified Public Accountant (CPA) and an expert ...

If you've ever looked at the curve of a hill, the cables of a suspension bridge or the arc of a coastline and wondered, "I wonder what function would fit that line?" -- congratulations, you're a nerd.