Scientific Calculator has two-line Natural Textbook Display showing formula and results exactly as they appear in the textbook. Includes 249 built-in functions and Table/Fraction functions. Other features include easy menu function, table function, list-based STAT Data Editor and fraction functions. The scientific calculator also features 10-digit, 10 + 2 display; one independent and six constant memories; slide-on hard case; and multi-replay function. Ideal for General Math, Statistics, Pre-Algebra, Science, Algebra I and II, Biology and Trigonometry. Runs on solar power. Solar Plus feature protects memory no matter what the lighting conditions. Number of Functions: 249 Functions: Menu Table List-based STAT Data Editor Fraction Multi-replay Display Screen: 2 Line x 10 Character Power Source: Solar Color: Gray Dimensions: 9.25x6.0x1.5