Ideal for students studying general math pre-algebra algebra geometry and trigonometry. Performs more than 130 scientific and math functions. Hard cover protects calculator from scratches. Auto power down feature. Permitted for use on AP Chemistry AP Physics PSAT/NMSQT SAT I SAT II Math IC and Math IIC tests. Power Source(s): Battery; Display Notation: Numeric; Number of Display Digits: 10; Display Characters x Display Lines: 10 x 1.