-
CalculatorX is an enhanced expression calculator. It supports common operations, constants,built-in and custom functions, variables and note-lines. You can even use Binary, Octal, Decimal and HEXadecimal numbers in one expression ...
Developer: XoYo Software
Free to try; $24.95 to buy | Windows 98/ME/NT/2000/XP
-
CharProbe allows you to easily find and automatically copy: ASCII Codes, HTML Codes, Virtual Key Codes. You can also export custom tables to TXT or HTML and convert between decimal, hexadecimal, octal and binary numbers.
Developer: Dextronet
Freeware | Windows 95/98/ME/NT/2000/XP
-
PalmaryCalc from a simple to a scientific calculator with different input methods, conversion functions, credit, base number conversions, integer math calculations , logical and bit-manipulation operations, currency conversion
Developer: PalmarySoft. Ltd
Free to try; $14.95 to buy | Palm OS 4.0,Palm OS 5.0,Palm OS 6.0
-
BiScope is free educational software that allows you to visually explore the relationship between binary, hexadecimal, octal and decimal numbers. BiScope also serves as a base conversion calculator.
Developer: cliptorrent.com
Freeware | Windows 95/98/ME/NT/2000/XP
-
The Number Base converter is a tool which converts numbers from one base to another such as binary,decimal,hex,octal. The program is quite simple so even if you are a beginner you can use it without any trouble.
Developer: academy-info.com
Freeware | Windows 98/ME/NT/2000/XP
CRM software for mid-size business. 
A clean registry speeds up your computer! 
Advanced spyware, adware and malware remover 
Software to recover lost photos and images