Traditional Culture Encyclopedia - Traditional culture - Abacus Game Video Tutorial
Abacus Game Video Tutorial
Abacus: upper and lower columns, 5 beads in the lower column and 2 beads in the upper column (or 1 bead).
Right hand: thumb, index finger and middle finger.
Thumb: Push the 1 to 5 beads in the column up and down.
Index finger: Pull down the beads that have been pushed up in the column (all or part).
Middle finger: Move the 1 bead in the upper bar up or down.
The rosary in the mouth is a formula, and the right hand dials the beads. There are two formulas: addition formula and multiplication formula. Addition is simple, multiplication is difficult (there are many excuses).
Expansion: Abacus is a traditional calculation tool in China. It was invented by China people on the basis of long-term use of calculation. It was a great and important invention in ancient China. Before Arabic numerals appeared, it was a widely used calculation tool all over the world.
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