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Before the invention of the abacus the people of Ancient China used sticks for calculating called calculation chips. But as the numbers increased it became harder to calculate with these sticks. The abacus was a significant improvement to mathematics in Ancient China and the abacus soon spread through to Japan, South-east Asia, Korea and the United States soon to become world-wide.
-The abacus is one of the first counting tools.
-Used for addition, subtraction, division and multiplication.
-It is the most ancient calculating device known.
-The abacus was invented by Cheng Dawei during the Ming Dynasty 1368-1644.
-The fifth invention of Ancient China.
-The original Chinese abacus was called a Suanpan that translates to counting board.
-The abacus also called the counting frame is a calculating tool. It is use mainly in parts of Asia for performing arithmetic processes.
-The Chinese abacus is a simple device for performing mathematical calculations. The abacus can perform addition, subtraction, division and multiplication. It can also be used to obtain square roots and cubic roots.
-Today the abacus is still used and some people prefer it over the electronic calculator.
The abacus has significantly changed the world and it is a great Chinese invention.
The abacus is a wooden frame with a horizontal bar that divides the upper section of the frame from the rest. Columns of vertical wood rods hold counting beads. An elementary abacus has 10 parallel wires between two boards on a frame, with nine beads on each wire. Every column represents a different digit, such as Units, Tens, Hundreds like this-