Computer Science, asked by mahima6015, 8 hours ago

11 Dona
Q1 who was
designed Abacus and when?​

Answers

Answered by sumit474022
1

Explanation:

An adapted abacus, invented by Tim Cranmer, called a Cranmer abacus is still commonly used by individuals who are blind. A piece of soft fabric or rubber is placed behind the beads so that they do not move inadvertently.

Answered by urvishbabariya
0

Explanation:

the abacus was first used by the Babylonians as early as 2,400 B.C.

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