Hpmbcalc Screen Shots

 standard hex calculator panel
 

 designed for XP/2000/ME/98/NT
 work with Winodws Vista
 fast and easy-to-use
 unlimited length of operands (in theory)
 basic big number math operations
 square root, modular inverse calculations
 next/previous prime search
 conversion between Hex/Dec/Oct/Bin systems
 byte/Operand swap commands
 import and export operands
 check operand properties
 and more...

 scripting host and automation support
 

 built-in scripting host console
 VBScript and JScript invoke support
 multiple-precision operation methods
 detailed object, methods usage
 helpful scripting samples

 built-in number formatter
 

 input and format ASCII text
 decode base64-encoded text/hex-bytes
 file and clipboard support
 c-source code formatting
 memory dump formatting
 "big number" formatting

 built-in hash/checksum/CRC calculator
 

 MD2, MD4, MD5 hash algorithms
 SHA-160, SHA-256, SHA-512 hash algorithms
 RIPEMD-160, SHA-224, SHA-384 hash algorithms
 16 and 32-bit CRC values
 message and file calculation
 explicitly exclude certain byte ranges
 ASCII text and hex number support

 pseudo-random data/prime generator
 

 generate a pseudo-random sequence of bits
 search for random probabilistic primes

 built-in randomicity/primality test tool
 

 perform primality test
 perform some statistical tests
 Fermat primality test method
 Miller-Rabin primality test method
 Solovay-Strassen primality test method

 built-in bit shifter
 

 evaluate and simulate shift register configurations
 Rotate/Arithmetic/Logical/Feedback shift
 history log