This calculator has true fraction display that shows
numerator over denominator. Include trigonometric and
scientific functions, random number generator, two
programmable constant functions to simplify repetitive
calculations, pi displayed symbolically in fractions,
simplification key to reduce fractions, backspace, algebraic
logic, plus: percent, square root, pi, x, powers of 10,
exchange values, exchange value with memory, and more.

 Creative Mathematics Teaching with Calculators
