The abacus has the meaning of abundant wealth and careful calculation. The abacus also has the meaning of attracting wealth. It also means a metaphor for planning and planning.

The abacus is a form of manual calculation aid. It originated in China and has a history of more than 2,600 years. It is an important invention in ancient China. Before the advent of Arabic numerals, the abacus was a widely used calculation tool around the world.

Today, abacuses continue to be used in parts of Asia and the Middle East, especially in shops, where they can be purchased from stores that offer Chinese and Japanese goods. In the West, it is sometimes used to help young children understand numbers, and some mathematicians enjoy the experience of using an abacus to solve simple arithmetic problems.

Abacus shape:

The new shape of the abacus is rectangular, with a wooden frame around it and straight columns running through it, commonly known as "bars". Generally, from the ninth to the fifteenth gear, there is a beam in the middle, two beads on the beam, each bead counts as five, and five beads on the bottom of the beam, each bead counts as one. When calculating, move the beads after positioning to calculate, and you can do addition, subtraction, multiplication and division. and other algorithms.

Existing abacuses come in different shapes and materials. The general abacus is mostly made of wood (or plastic). The abacus consists of a series of beads of several days arranged in a rectangular wooden frame. There is a beam in the middle that divides the beads into upper and lower parts. The beads run through a straight column. Commonly known as "gear", it is usually 9th gear, 11th gear or 13th gear. There is a beam across the middle of the beam. There is 1 bead on the beam, and the bead is 5. There are 5 beads under the beam, and each bead is 1.