The calculator is a machine invented in modern my country that can perform number calculations. It is a great invention and also marks the progress of human society. The first-generation electronic calculator is a handheld calculator that can perform mathematical operations. Its price is relatively cheap and its functions are relatively simple. It is widely…
Nowadays, electronic calculators are often used in the accounting offices of many companies and some units, because they face some accurate data every day, so it is very convenient to have a small electronic calculator. So what should we pay attention to when using electronic calculators, and how should we use them correctly? How can…
Mathematics is an important subject. The addition, subtraction, multiplication and division of mathematical calculators, equations, functions, square difference calculations and formula calculations are all available. It is a comprehensive calculation software that can better assist those in need to learn mathematics. In the office application work, work efficiency has also been greatly improved, and it…
With the rapid development of science and technology, some high-tech products have entered people’s lives, especially calculators, which have become more and more widely used in daily life. Especially for some business people, they need to use calculators. In this way, the calculation is relatively simple. So when using the voice calculator, you should have…
?In daily life, electronic calculators are already indispensable, and they are often used in our ordinary families. For our usual calculation of accounts, in addition to computers, electronic calculators play the most important role. So for electronic calculators, how should we protect them from time to time? How can the service life of the electronic…
I believe everyone has used the calculator as a calculation tool. At the very beginning, our ancestors used the abacus, but the calculation method of the abacus is relatively cumbersome, and many people are not very able to grasp it, and some larger numbers are increasing. It is also easy to make mistakes when it…
Now is a high-tech era, and many technological products have been produced in this way. Calculators and computers are the products of this high-tech era. Calculators are of great help to mathematics education in our country. The calculator is now the most powerful tool for students to learn mathematics. I remember that in the past,…
What should I do when the diode of the calculator’s LCD display is damaged? Let’s briefly talk about this situation below. If we encounter this situation, we can use 2CK or 2DK instead. The capacitor should be made of porcelain. The electrolytic capacitor should pay attention to the withstand voltage and choose a substitute with…
As several common gadgets in life, do you know what the basic structure of a calculator is? And what important role do these structures play? Perhaps everyone’s understanding of calculators is more convenient and quick to operate, some visible structures, such as keyboards, displays, and power supplies. However, there are only such a few structures…
When a calculator fails and needs to be repaired, the first problem encountered is how to open the back cover of the calculator. The back cover is usually fixed with screws and bayonet, but most calculators have both. However, the screws to fix the back cover of the calculator are generally cross-shaped. When opening the…
