Celkom slusny calculator
http://www.hexprobe.com/hpmbcalc/screenshots.htmkey features
* standard hex calculator panel
basic big number math operations; Hex/Dec/Oct/Bin conversion; byte/operand swap; square root, Jacobi symbol, modular inverse calculation; next/previous prime search; and more...
* scripting host and automation support
built-in scripting host; support VBScript and JScript; multiple-precision operation methods; and more...
* built-in hash/checksum/CRC calculator
hash, checksum, CRC calcualtion; MD2, MD4, MD5, SHA, RIPEMD hash algorithms; 16 and 32-bit CRC value; message and file support; and more...
* built-in number formatter
format ASCII text, c-source code, memory dump, big number to hex number; file and clipboard support.
* built-in pseudo-random data/prime generator
generate a pseudo-random sequence of bits; search for a random probabilistic prime.
* built-in randomicity/primality test tool
perform primality test and some statistical tests on a data.
