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Deutsch: Ein Abakus ist Hilfsmittel zum Ausführen verschiedener Rechenoperationen.
English: An Abacus is a calculation tool.
Galego: Un ábaco é un instrumento de cálculo.
Norsk nynorsk: Ei Kuleramme er eit reknehjelpemiddel.
Русский: Абак, счёты.



Abacus in Ancient pictures[edit]

Abacus in Medieval pictures[edit]

Abacus in 16th century pictures[edit]

Abacus in pictures in Modern times[edit]

Specific topics[edit]

Abacus in art[edit]

Types of abacus[edit]

The Small Abacus of Al-Khwarizmi[edit]

Addition examples[edit]

See also[edit]