AllerCalc (formerly known as VersaCalc) is an expression calculator which allows you to directly enter an expression to be evaluated. This versatile calculator features:
-A re-sizable rolling display storing all of your inputs and results.
-More than one hundred functions, including algebraic, transcendental, trigonometric, hyperbolic, engineering, statistical, and financial functions.
-Numerical integration, differentiation, and root-finding.
-Calculations not only in decimal but also in binary, octal, hexadecimal, and other numeric bases.
-A comprehensive unit converter that can convert between virtually any two units in metric, English, and US systems.
-A list of common physical constants found in science and engineering.
-User-defined constants, conversions and functions.
-Storing results in an unlimited number of variables.
