Ideal for statistics, algebra, trigonometry, general math and science. Innovative 2-line scrolling display shows multiple inputs and results simultaneously for ease of use. Algebraic logic allows equations to be entered as they appear on printed page. Trigonometric functions in degrees and radians. Two-variable statistics: Enter, Delete, Insert, Edit. Equation recall. Universal power and roots. Power Source(s): Battery; Solar; Display Notation: Alphanumeric; Number of Display Digits: 10; Display Characters x Display Lines: 10 x 2.