An Abacus has beads and strings.
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∙ 12y agoIf 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.
ABACUS is a name of a calculating apparatus - it is not an acronym.
They come in various sizes, but a typical abacus is about eight inches square.
abacus the Chinese invented it
ABACUS - Abundant Beads, Addition and Calculation Utility System
China invented the abacus .
ABACUS
How did the abacus occur?
disadvantage of abacus
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 Chinese invented the abacus
the invenor of the abacus is the invenor of me
The abacus II!
Abacus was invented by the Chinesethe abacus was also known as the first computer
China invented the Abacus.