HEATKEYS

YouTube is a place to discover, watch, upload and share videos.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Comprehensive web portal for international students and teachers of English (ESL/EFL). Interactive Exercises, Message Boards, Web Directory, Language Schools, Study Abroad, ELT Bookshop, BBC World News, Links, Resources ... and more!

WebMath is designed to help you solve your math problems. Composed of forms to fill-in and then returns analysis of a problem and, when possible, provides a step-by-step solution. Covers arithmetic, algebra, geometry, calculus and statistics.

FarsiNet, Interactive Iranian Persian Global eCommunity for Farsi Speaking People of Planet Earth, Free Farsi Books, Free Farsi Injil, What is Holy War in Islam? - Jihad in Islam - Conflict between Islam and Israel - Why Muslims Hate America

Twitter is without a doubt the best way to share and discover what is happening right now.

Online Conversion is a resource for weights, measures, calculators, converters.

Easily convert web pages to PDF using web-based online tool.

Tools by Digital Dutch

Material property database with data sheets of thermoplastic and thermoset polymers such as nylon, polycarbonate, polyethylene; metal alloys, aluminum, steel, titanium, nickel, cobalt, and zinc alloys; ceramics, lubricants. Free search tools include...

Online weights and measures conversion. Online calculators for quick and easy metric conversion, conversion tables for both commonly used and very exotic units.

Forvo: the largest word pronunciation dictionary in the world, now with translations. All the words in all the languages pronounced by native speakers