- Fast multiple-precision integer operations.
- In theory, unlimited length of operands.
- Switching between Hpmbcalc and Windows Calculator.
- Standard Hex Calculator Panel for performing big number operations, Byte/Operand swaps, and Hex/Dec/Oct/Bin conversions.
- Specialized Multibyte Hex Edit Box for editing, formatting, and testing operands.
- Built-in Number Formatter for formatting ASCII text and converting it to hex number.
- Built-in Key Container Manager for managing a list of key containers.
- Built-in Key Pairs exporter for exporting public/private key pairs from a key container.
- Built-in Random Number Generator for generating a pseudo-random sequence of bits.
- Built-in Random Prime Generator for searching for random probabilistic primes.
- Built-in Randomicity Test tool for performing some statistical tests on an operand.
- Built-in Bit Shifter for evaluating and simulating a variety of shift register configurations for designing custom CRC's, FEC's, etc.
- Built-in Checksum Calculator for calculating the checksum of a file.
- Built-in CRC Value Calculator for calculating 16/32-bit CRC value of a message or a file.
- Built-in Hash Value Calculator for calculating the hash value of a message or a file using MD2, MD4, MD5, SHA, or RIPEMD hash algorithms.
- Built-in Automation Object to dispatch a library of methods for performing multiple-precision integer operations.
- Built-in language-independent Scripting Host to support VBScript and JScript.
- Several probabilistic primality test methods.
- Full on-line help and XP visual styles support.
- Designed for Windows 2003, XP, 2000, ME, 98, and NT.
