AllerCalc
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. |
The calculator's intuitive, easy-to-use interface as well as its broad support of common mathematical, engineering, statistical, and financial functions makes it a must-have for both students and professionals.
