BigAl is a platform independent program for calculating really big numbers. It supports not only standard arithmetic, but also calculations with numbers stored in files, exact period determination, continued calculation with predefined factorials, fibonacci with customized seeds, lucas, factorization, ackermann, nth root, random number generation, and more.
Support for the square root and the nth root function have been added. There is also support for converting a number to and from a numeral system now (base, tobase). The parameter limits have been removed from the functions fibonacci/lucas, factorial, choose, and power.
URL: Free Java-Software - BigAl, calculate really big numbers