Calculator Sharp EL501X / EL501X2

Scientific calculator performs 131 functions and features a 10-digit LCD numeric screen. Functions include complex number calculations, percent, sin, cos, tan, sinh, cosh, tanh, square root and more. Calculator is approved for tests including AP Chemistry, AP Physics, PSAT/NMSQT, SAT I, SAT II, Math IC, and Math IIC. Battery-powered.