The difference is that an abacus uses beads to calculate. A calculater uses solar energy or batteries to make its digital numbers. In other words an abacus uses beads and a calculater uses buttons you press to put numbers on the calculaters screen.
I think Chinese do...
An abacist is either someone who calculates, or someone who uses an abacus while calculating.
China invented the abacus .
ABACUS
How did the abacus occur?
An Abacus has beads and strings.
disadvantage of abacus
The Chinese abacus
That depends on the type of calculator you are referring to. An abacus uses mechanical energy An electronic calculator uses electrical energy A brain doing mental arithmetic uses chemical energy
the history about the abacus is that 3000 years ago the chinese invented the abacus. The abacus was made of wood parrelel rod and beads.
it is the abacus. :D :D :D i got is dummies