Counting Systems - Abacus
Abacus resources. Includes explanations of how the abacus works and the history and operation of the abacus and other counting systems.
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 Art of Calculating with Beads
Construction and anatomy of the abacus; its history; and how-to-do mathematical calculations. Translations in Spanish, Portuguese, German, and French.
Construction and anatomy of the abacus; its history; and how-to-do mathematical calculations. Translations in Spanish, Portuguese, German, and French.
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.