Casio debuts Prizm graphing calculator with 'high-res' color screen

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 color screen. Of course, a 3.7-inch, 384 X 216 display may not be much by smartphone standards, but Casio insists that the "Blanview" LCD will let equations and text be "displayed just like they appear in textbooks."

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