A device that uses positional notation to represent a decimal

a-device-that-uses-positional-notation-to-represent-a-decimal

A device that uses positional notation to represent a decimal number.
A. Abacus
B. Calculator
C. Pascaline
D. Computer
Correct choice is A. Abacus

Abacus was used to doing arithmetic calculations around 2500 years ago. Pascaline was the pascal’s calculator by Blaise Pascal invented for doing laborious calculations.