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Khan Academy

http://www.khanacademy.org/ Matrices, vectors, vector spaces, transformations. Covers all topics in a first year college linear algebra course. This is an advanced course normally taken by science or engineering majors after taking at least two semesters of calculus (although calculus really isn't a prereq) so don't confuse this with regular high school algebra.
https://addons.mozilla.org/en-US/firefox/addon/foxtab/

FoxTab :: Add-ons for Firefox

To add pages to the top sites panel, just press the mouse right click button on the page you would like to add and click [Add to Top Sites].
Stel je route samen door de rode bolletjes op de kaart aan te klikken. http://www.fietsnet.be/

de Fietsrouteplanner voor de Knooppunten

Virtual Whiteboards

Story Boards

Interactive WhiteBoard Resources

100+ Google Tricks That Will Save You Time in School | Online Colleges

http://www.onlinecolleges.net/2009/10/25/100-google-tricks-that-will-save-you-time-in-school/ If you’re a student with classes, homework, and projects–not to mention your social life–time is truly at a premium for you, so why not latch onto the wide world that Google has to offer? From super-effective search tricks to Google hacks specifically for education to tricks and tips for using Gmail, Google Docs, and Google Calendar, these tricks will surely save you some precious time. Search Tricks

Bij telefoonnummer.nl uw eigen gratis on-line telefoonboek, wereldwijd telefoonnummers en telefoongidsen zoeken. Kortom alles over bellen en telefoneren.

Welkom bij telefoonnummer.nl, verkort telnr.nl Alle telefoonnummers zoeken in drie rubrieken: telefoonnummers in Nederland, telefoonnummers in Europa en wereldwijde telefoonnummers. Ook kunt u hier uw eigen on-line telefoonboek maken. http://www.telefoonnummer.nl/