Sharp EL500WBBK Scientific/Fraction Calculator, 10-Digit, 3'' x 5-1/2'' x 1/2'', BK, SHREL500WBBK, SHR EL500WBBK, 10-digit scientific/fraction calculator features DAL (direct algebraic logix), 131 functions, two memories, and unique playback to make scientific equations easier to edit and run multiple simulations. DAL allows you to input equations exactly as shown. Ideal for students studying general math, algebra, geometry, and trigonometry. Fraction functions include simplify mixed fractions, common denominator, greatest common factor, least common multiple. Other functions continuous calculation, deg/rad/grad mode, DRG conversion, factorial, last answer recall, log, percent, eight parenthesis levels, permutation, random numbers, sin, cos, tan, inverse, STO/RCL/ANS keys, and X Mean (standard deviation). Calculator runs on battery power. UPC Code 074000020948, Quantity 1 EA