The wayback machine.

archive.org

www.bugmenot.com

www.retailmenot.com

google drive (google docs)

google groups (Usenet and more)

google books

google translate

* Goal Seek
* Solver
* Pivot Tables
Import / Export
* Macros
* VBA
* UDFs
* Express edition VB.NET Visual Studio

* CS courses
http://www.cs.qc.cuny.edu/

http://venus.cs.qc.cuny.edu/~ryba/

google reader
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project gutenberg