Question

abacus ka avishkar kisne kiya​

Answer 1

Answer:

The abacus was invented in China, around 1300 BC. It was popularized during the Ming dynasty (1368 AD to 1644 AD), and has been a very popular calculating device ever since. Other early forms of the abacus include the ancient Roman abacuses consisting of a sand-covered wax tablet, marked table,, or grooved table...

Explanation:

who invented abacus in india??

Mr. N. BAHSHEER AHAMED

• Indian Abacus is the latest device in the history of Abacus, invented in the year 2012 by Mr. N. BAHSHEER AHAMED, Managing Director and CEO, of Indian Abacus Private Limited, Chennai, India. It has four versions...

Answer 2

Answer:

Tim Cranmer

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. This keeps the beads in place while the users feel or manipulate them.

Explanation:

PLEASE MARK ME AS BRAINLEST!