EL-W516XBSL Scientific CalculatorPerforms 535 statistical, trigonometric and other functions. WriteView technology displays formulas as written in textbooks. DAL (Direct Algebraic Logic) makes it easy to enter formulas into the calculator. Multi-line playback and editing function. Nine independent memories and four programmable keys. Ability to solve three simultaneous equations, two variable statistic functions and fraction calculations. Power Source(s): Battery; Solar; Display Notation: Numeric; Number of Display Digits: 16.
Manufacturer's limited one-year warranty.