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P.S.: Before you edit [[Ancient Computers|''Ancient Computers'']], please be sure you read and understand the whole article and the [[Ancient Computers#Works_Cited|Works Cited]], and have watched and understand all of [[Ancient Computers#Works_Cited|Stephenson]]'s videos.  
 
P.S.: Before you edit [[Ancient Computers|''Ancient Computers'']], please be sure you read and understand the whole article and the [[Ancient Computers#Works_Cited|Works Cited]], and have watched and understand all of [[Ancient Computers#Works_Cited|Stephenson]]'s videos.  
  
P.P.S.: An eBook with essentially the same content is available on [http://www.amazon.com/dp/B004RH3J7S Amazon.com], but with the advantages of portability (esp. on smartphones), annotations and bookmarks, word dictionary look up, and text magnification.
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P.P.S.: An eBook with essentially the same content is available on [http://www.amazon.com/dp/B004RH3J7S Amazon.com], but with the advantages of portability (esp. on smartphones), annotations and bookmarks, word dictionary look up, and text magnification. However, the eBook is much harder to modify so updates will show up on the IEEEghn.org version first; e.g., Appendix V: Visualizing the Basis of Abacus Arithmetic.

Revision as of 09:09, 11 June 2013

In Tokyo in 1964 I bought a Soroban with Kojima’s book "The Japanese Abacus: Its Use and Theory". An event that sparked my interest in abaci ... and in computers.

After getting my M.Eng.(Elect.) at Cornell, my 30 year career included working on the design and construction of nuclear power plants, missile systems software engineering, and industrial and engineering computer systems sales and systems engineering.

Deciding to become a high school math teacher at the end of 2000, I took a History of Math course as part of my M.Ed. Program at UMassLowell. I was struck by how easy it would be to use ancient Roman, Greek, Egyptian, and Babylonian numerals to record abaci calculation results. Prof. Gonzalez said, "Yes, but how would you do multiplication and division?"

So as a hobby, I've worked the last 10 years to (re)discover the schematics and programming rules of the computers the Ancients used to do their accounting and engineering to support and empower the greatest empires in human history.

I hope you find Ancient Computers interesting and useful,

Steve Stephenson, M.Eng.(Elect.), M.Ed.
Math Teacher (precalculus and calculus)
Lowell High School, MA, USA
http://sks23cu.net/MT/
July 15, 2010

P.S.: Before you edit Ancient Computers, please be sure you read and understand the whole article and the Works Cited, and have watched and understand all of Stephenson's videos.

P.P.S.: An eBook with essentially the same content is available on Amazon.com, but with the advantages of portability (esp. on smartphones), annotations and bookmarks, word dictionary look up, and text magnification. However, the eBook is much harder to modify so updates will show up on the IEEEghn.org version first; e.g., Appendix V: Visualizing the Basis of Abacus Arithmetic.