Computer Science, asked by rabikumarbiswasgmail, 11 months ago

Who developed abacus?

Answers

Answered by rawatanshika45127

4

An adapted abacus, invented by Tim Cranmer

Answered by manjubala280073

2

Answer:

An adapted abacus, invented by Tim Cranmer, called a Cranmer abacus is still commonly used by individuals who are blind.

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