Modern electronic Calculator is a handheld electronic machine that can perform mathematical operations. It has integrated circuit chips, but its structure is much simpler than that of computers. It can be said that it is the first generation of electronic computers (computers), and its functions are also weaker, but it is more convenient and cheap. can be widely used in commercial transactions, is one of the necessary office supplies.

In addition to displaying the calculation results, there are often overflow indications, error indications, etc. The Calculator power source uses an AC converter or a battery, and the battery can be recharged with an AC converter or a solar converter. In order to save power, Calculators are large-scale integrated circuits made of CMOS technology.

If you are a white-collar office worker, a salesperson, an accountant, or a warehouse manager, a Function Scientific Calculator is also a good choice. You can record some things when you go to work, make a temporary phone call, and so on.