1)   PalmaryCalc 1.0.1 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 2)   Aquarius Soft PC Binary Converter 1,5,0,1 Aquarius Soft PC Binary Converter is a simple and fast number system conversion software that lets you instantly convert between binary, octal, decimal and hexadecimal number systems. 3)   bed 0.2.23 Edit binary files. Dataformats: ascii, unsigned (base 2-36: bin,oct,dec,hex,etc) and signed integers, float, bitflags, bitfields, labels, ebcdic, time_t and structures of datatypes. Different sizes and byte ordenings. Edit hard disk devices. 4)   BiScope 1.0.0.0 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. 5)   Free Number Base Converter 2.0 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.