Casio's new Prizm calculator is to the graphing calculators of my school-days as the iPad is to the slates we scratched on with sticks of chalk. It has a color, 216x384 pixel display, 16MB of ...

SAN JOSE, Calif. -- When retired math teacher Roberta Koss first picked up a graphing calculator at a bookstore 12 years ago, it was a curiosity--not yet mature enough for use in the classroom.

Casio's hot new S100 flagship calculator will sell for just slightly more than the price of an iPhone with a two-year contract. And for that money you'll get a beautiful four-function calculator ...

Using the Graphing Calculator app, you can save equations and graph them. After you open the Graphing Calculator app, click the equations button and type in your equation using the custom keyboard.

Texas Instruments recently rocked the graphing calculator world by adding a touchpad to its TI-Nspire calculator, and Casio has now come back with a technological revolution of its own: a high-res ...