Arithmetic is a branch of mathematics and the original form of mathematics. Engaged in studying the properties of real numbers, as well as their interrelationships and operational rules, mainly including addition, subtraction, multiplication and division.

Arithmetic also means that as a school curriculum, early primary school textbooks included Mandarin and Arithmetic, and later changed to Chinese and Mathematics. That is, the contents of mathematics in the current textbooks include not only arithmetic, but also algebra and geometry.

As for the word "arithmetic", it is not a vocabulary in the field of mathematics. Please look at the dictionary screenshot: