TI -84 PLUS SILVER EDITION TEXAS INSTRUMENT CALCULATOR - LIKE NEW - works perfectly - BATTERY not included - PERFECT FOR ALGEBRA, CALCULUS, GEOMETRY, ETC MATH CLASSES - Performance: Faster processor than the standard TI-84 Plus and 9x more memory than the TI-83 Plus. Display: High-contrast, 8-line by 16-character display. Memory: 1.5 MB Flash ROM for data/apps, 24 KB RAM. Functionality: Handles calculus, engineering, financial, and statistical functions, including 3D plotting. Power: Operates on 4 AAA batteries. Compatibility: Fully compatible with TI-83 Plus applications and programs. RETAIL: $219