Did you know that abacus probably has a Babylonian origin? An Abacus is a calculating instrument that uses beads that slide along a series of wires or rods set in a frame to represent the decimal places. It is the ancestor of the modern digital calculator used by merchants in the middle Ages throughout Europe and the Arab world. It was gradually replaced by arithmetic based on Hindu-Arabic numerals. Though rarely used in Europe past the 18th century, it is still used in the Middle East, China, and Japan.
Abacus is an awesome tool that provides countable beads for children to visualize numbers and facilitates quick calculations. Children learn to visualize those beads to perform arithmetic calculation such as addition, subtraction, multiplication and division in a jiffy.