Multi-function calculator/conversion utility. Four modes of operation (STATS, TRIG, BASE-N, and CONVERSION). Convert units of Acceleration, Angle, Area, Density, Energy, Force, Length, Mass/Weight, Power, Pressure, Speed, Temperature, Time, and Volume. Complex calculations using factorial, gamma, combinations, permutations, logarithms, standard and hyperbolic TRIG functions, BASE-N conversions, logical operations. 26 separate memory registers.