Bursting with over 65,000 brilliant colors, this graphing calculator adds a new dimension to any classroom. 3.17" high-resolution LCD screen with full textbook-style display. Picture Plot technology combines mathematical equations with real life images. Color Link and conditional formatting for graphs, charts and spreadsheets. User-friendly icon-based menu. Approved for use on the ACT, PSAT, SAT and AP exams. Power Source(s): Battery; Display Notation: Graphic; Number of Display Digits: 21; Display Characters x Display Lines: 21 x 8.