An Abacus has beads and strings.
ABACUS is a name of a calculating apparatus - it is not an acronym.
If you are refering to Chinese abacus their earliest rudimentary design of abacus has 1/4 rod beads (quite similar to the later Japanese soroban abacus). Various other types of abacus design were also seen afterwards, but the advance type of 2/5 rod beads became standard and classic. Afterwards, the basic 1/5 rod beads particularly became the type of basic design. The Roman abacus may be not connected to the Chinese abacus.
No, the Abacus was invented by the Sumerians in 2,700 BCE
They come in various sizes, but a typical abacus is about eight inches square.
Abacus's advantage is improving mental calculations whereas its size and weight are its disadvantages.
Well, honey, the only disadvantage of an abacus is that it's as old as dirt. I mean, who even uses those things anymore? It's like trying to compete in a marathon wearing wooden clogs - sure, it can get the job done, but there are way better options out there. So, unless you're feeling nostalgic for ancient math tools, I'd say it's time to upgrade to a calculator.
China invented the abacus .
ABACUS
How did the abacus occur?
An Abacus has beads and strings.
The Chinese abacus
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
The abacus II!
the Chinese invented the abacus
the invenor of the abacus is the invenor of me