Counting Systems and the Abacus
Abacus and counting resources. Includes explanations of how the abacus works and the history and operation of the abacus and other counting systems.
Abacus
Did the Greeks use the letters to do the calculations or only as names for numbers? Were the Greeks really baseless? What is meant by an abacus?
Did the Greeks use the letters to do the calculations or only as names for numbers? Were the Greeks really baseless? What is meant by an abacus?
Babylonian Table of Squares
Babylonian mathematics relies on base 60. Here is a Babylonian table of squares.
Babylonian mathematics relies on base 60. Here is a Babylonian table of squares.
Finger Numbers and Finger Counting
Finger counting using finger numbers appears to have been the major way in which transactions were conducted in ancient times.
Finger counting using finger numbers appears to have been the major way in which transactions were conducted in ancient times.
The Abacus
This abacus history page includes the etymology of the word abacus from the Greek word abakon and the Sanskrit word abq.
This abacus history page includes the etymology of the word abacus from the Greek word abakon and the Sanskrit word abq.
The Abacus - A Short History
Diagrams show various counting techniques including the abacus. Also explains a bit about how to use the abacus.
Diagrams show various counting techniques including the abacus. Also explains a bit about how to use the abacus.