Pakistan Research Repository is a project of the Higher Education Commission to promote the international visibility of research originating out of institutes of higher education in Pakistan. The aim of this service is to maintain a digital archive of all PhD theses produced indigenously to promote the intellectual output of Pakistani institutions. It provides a free, single-entry access point to view the manuscript of research executed, and distribute this information as widely as possible.
Universal Currency Converter - allows you to perform interactive foreign exchange rate conversion on the Internet.
Calculators.Com - provides access to all types of calculators -- finance, business, science, health, cooking and various hobbies.
Martindale's Calculators Online - contains over 8,000 various calculators.