Texas Instruments made a new flagship graphing calculator: the TI-84 Evo

Texas Instruments graphing calculators have helped many a student with algebra, pre-calculus and upside-down anatomical slang. Now, the company is back with an upgrade for the modern world, the TI-84 Evo . The new device lets you get your math on with a faster processor, a new icon-based home screen and a redesigned keypad. TI is marketing it as something akin to the Light Phone of calculators. Unlike calculator apps on phones or computers, the "distraction-free" TI-84 Evo is a single-purpose de