Abacus came from Chinese people’s intelligence and practice in mathematics. People use the abacus as their main calculation tool and dial the abacus according to the cross-reference table of beadwork mnemonics. Abacus can be used to add, subtract, multiply, divide numbers, root, solve high-ordered equations, and so on. It embodies the ingenuity and creativity of Chinese people and also provides another system of knowledge for the world.

This is an online course ，you can learn the course by watching videos, reading documents, and finishing relevant exercises. 

Completing all the learning activities represents that you pass the course examination.

Lu Ping.She is a representative generation of abacus that is listed in the intangible cultural heritage project of Shanghai.