Its principal features are:
- Programmable.
- Intricate numbers.
- Verbalization-based calculator.
- Numerical, material, and artificial constants.
- Whole change.
- Functions for trigonometry (with opposite and hyperbolic), logarithms, and exponentiation.
- Distinguished functions similar gamma, erf, erfc.
- Statistical, piece and reasoning functions.
- Extensive math unit of variables.
- Holder for binary, octal, decimal, and hexadecimal numbers.

The by hand (containing protection) is ready online on the PawEng webpage.