Everyone should be familiar with calculators. With the development of science and technology, its development is also great. The size of calculators long ago was very large. And the function is not very complete, it can only do some of the simplest calculation problems. It was invented by the world-famous mathematician Von Ivanov. At that time, the calculator was mainly used in the military of the country, mainly to study the orbit of the artillery shell. But later with the needs of people’s lives. This huge calculator was slowly researched and manufactured into a compact electronic calculator. So it is widely used in people’s lives.
In current social life. The usefulness of calculators is very broad. It can be used in daily shopping, and our accountants can also use it to manage the company’s accounts, and it is also necessary to use electronic calculators in students’ math learning. The earliest electronic calculators were all electronic products that existed alone. But now electronic calculators can also be attached to other carriers. There are electronic calculators in the toolboxes in the smart phones that everyone uses now. If you need to use the electronic calculator. You can take out your mobile phone and select it on the electronic calculator tool to calculate the result. It’s more convenient than before.