Sharp EL-501X Scientific Calculator

26 total calculators for a class of students at $5.00 each!
Needs new  batteries !
Functions:
It can perform over 130 scientific and math functions, including complex number calculations, percentages, trigonometric functions (sin, cos, tan), hyperbolic functions (sinh, cosh, tanh), logarithms, reciprocals, powers, roots, factorials, and one-variable statistical calculations. 
Display:
The calculator features a 10-digit, 1-line LCD display, making it easy to read numbers and results. 
Modes:
It supports normal, statistics (STAT), and complex number (CPLX) modes, as well as N-BASE calculations like OCT (octal), BIN (binary), DEC (decimal), and HEX (hexadecimal). 
Features:
The EL-501X has one independent memory, a protective hard case, and an auto power-down feature to conserve battery life. 
Approved for Tests:
This model is permitted for use on various standardized tests, including AP Chemistry, AP Physics, PSAT/NMSQT, SAT I, SAT II, Math IC, and Math IIC tests.