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.

Plotting over actual images links math lessons with real-world relevance. A new graphing calculator from Casio lets students plot mathematical equations on top of real-life images and user-uploaded ...

Graphing calculators are a mainstay of both high school and college-level math and science courses. Most of us have had, or will have, experience working with either a Casio or a Texas Instruments ...

Back in 1985, Casio brought the first graphing calculator, the fx-7000G, to market. A short couple years later, I started college headed towards an engineering degree, and picked one up. Best ...