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My Favorite Websites: The Abacus is one of my favorite devices.
It is an ancient device used to calculate quickly the answers to
addition, subtraction, division, multiplication, square roots, cube
roots, binary and hexadecimal problems. Below are some links to
the best sources of information on the internet regarding the Abacus...
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- Construction
- Basics
- Java Applet
- Technique
- The Abacus Today
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- Timeline
- Salamis Tablet
- Counting Board
- Roman Hand Abacus
- Suan Pan
- Soroban
- Schoty
- Nepohualtzitzin
- Khipu
- Lee Abacus
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- Sarat Chandran and
David A. Bagley's incredible Java abacus with a
built-in tutor for counting, addition and subtraction.
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Calculations
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- Michael Mode builds exotic abaci as art objects.
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- Abacus Techniques by Totton Heffelfinger & Gary Flom.
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- Purchase or build an abacus
- An abacus for your Palm
- Books about the abacus
- Java applet source code
- The Mesoamerican abacus
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