When I took calculus at night school with three nerdy high school friends, graphing calculators did not exist. Johns Hopkins University mathematics professor Stephen Wilson is happy for me. He says ...

The first handheld graphing calculator, the Casio fx-7000G, appeared in 1985. Since then, graphing calculators have become a common – and controversial – tool for learning mathematics. These devices ...

In this video series I show you how to graph linear inequalities. When graphing linear inequalities we now have to account ...

Keep Learning is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

Graphs of Sine and Cosine 1.2 An applet illustrating how the graphs of sine and cosine are related to the unit circle. Transformations of Functions 1.3 An applet illustrating how transformations ...

Texas Instruments graphing calculators have helped many a student with algebra, pre-calculus and upside-down anatomical slang ...