Question

The instrument used for ancient mathematical calculations is called _______.

A. Calculator

B. Abacus

C. Table

D. Graphing

1. B
2. D
3. C
4. A

Answer 1

Correct Answer - Option 1 : B

The correct answer is Abacus.

• The abacus is one of the counting devices invented in ancient times to help count large numbers, but it is believed that the abacus was first used by the Babylonians as early as 2,400 B.C.
• The abacus was used in Europe, China, and Russia, centuries before the adoption of the written Hindu-Arabic numeral system.
  
• The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool that has been used since ancient times and is still in use today.
• It was used in the ancient Near East, Europe, China, and Russia, centuries before the adoption of the written Arabic numeral system.