Is It Abacus or Abaci?
The Abacus (Plural Abaci or Abacuses), Also Called a Counting Frame, Is a Calculating Tool Which Has Been Used Since Ancient Times. It Was Used in the Ancient...
The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool which has been used since ancient times. It was used in the ancient Near East, Europe, China, and Russia, centuries before the adoption of the Arabic numeral system. The exact origin of the abacus has not yet emerged.
What is the plural form of abacus?
abacus. noun. aba·cus | \ ˈa-bə-kəs \ plural abaci\ ˈa-bə-ˌsī \ or abacuses.
What is the meaning of abaci?
Definition of 'abaci'
1. a counting device that consists of a frame holding rods on which a specific number of beads are free to move. Each rod designates a given denomination, such as units, tens, hundreds, etc, in the decimal system, and each bead represents a digit or a specific number of digits.
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