Question

who invented the abacus ??​

Answer 1

Answer:

The abacus was invented in China, around 1300 BC.

Answer 2

$\huge \text{Abacus :-}$

➛ ${\sf\underline{\red{Tim~Cranmer}}}$ Invented the Abacus.

➛ Abacus was the earliest ${\sf\underline{\blue{calculating~machine}}}$ probably originated in the China about Three Thousand year ago.

➛ It is still widely used in the Asia for the ${\sf\underline{\orange{primary~education}}}$ and may be considered as the first computer.

➛ This device allows users to make the ${\sf\underline{\green{computation}}}$ using a system of sliding beads aranged on a frame.

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Hope it's helpful :)