PDC is a desktop calculator in the 'bc' style with features designed for programmers. It does not support floating point math, but does provide all the C operators (logical, bitwise, shifts, etc.) and implements ISO C operator precedence. Additionally, functions are available to assist with 'bit bashing' tasks such as byte swapping and bit scanning.
License: GNU GPL.
Tags: calculator.
Interface: command line.
Source language: Yacc.
Developer: Daniel Thompson.
Homepage: http://www.redfelineninja.dsl.pipex.com/software/pdc.html.