What is a abacus?

Question

What is a abacus?

Answer 1

it usally has 10 rows and 10 beads on each row to help count.

Answer 2

i am sure it was a thing that victorian children used for multiplying, counting, dividing... numeracy really..

it was used before calculators were invented

Answer 3

its dis calculator. Its dis thing with bars and has beads

Answer 4

an abacus is that old Chinese adding and subtracting device

that uses wooden balls, that slide across a metal bar horizontally.

to see a picture, google it... google it

Answer 5

it was like the calculator in the past.

Answer 6

Just like what he (above), origin Ancient China.

Answer 7

An abacus is the original calculator (after fingers and toes and other appendages), using beads to slide to keep track, not unlike a rosary.

Answer 8

It was an old fashioned counting device they used before calculators.

As they counted they would slide beads on the board to keep track of groups of 10/100/1000 etc.