Free
AllerCalc
Excellent calculator with multiple options
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Excellent calculator with multiple options
Simple calculator and converter for hexadecimal and binary
GTA N00bmode: A Handy Productivity Tool
Convert between more than 3,000 measurement units
Handy unit converter for 80 different categories
SpeQ: A Versatile Calculator for Windows
Learn to calculate your CO2
Convert JPG to PDF - PDFCool Converter
Create your own PDFs from any format
The ideal way to convert JPG to PDF
Free Software for
Free alternative to Microsoft Office
Trial version of a basic converter
A free and useful PDF converter for Windows
Scientific Calculator: Mathematics at your fingertips
Free and Open Source Alternative to Macsyma or Maple