- Performs over 270 advanced scientific functions. Multi-line playback makes scientific equations easier for students to solve. PTA-endorsed for general math, algebra, geometry and trigonometry plus biology, chemistry and general science. 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: 12; Display Characters x Display Lines: 12 x 2.