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…
Why are calculators so popular with people? I believe many people can’t help asking this question. In fact, this is because the calculator is not only very durable but also so small in size. Therefore, the moan of the calculator can be described as nowhere around your life and work. With the increasing proximity of…
What are the functions of the calculator? I believe children all understand that a calculator is a tool for running calculations. Yes, the function of a calculator is to calculate addition, subtraction, multiplication and division. Are there any other functions besides these functions? The answer is yes, so what other auxiliary functions does the calculator…
The display of the pocket calculator is divided into three types: light-emitting diode, fluorescent digital tube and low-power LCD. The position of the display can be divided into eight, ten, twelve, and ten PR positions. However, the general pocket electronic calculators that use eight or ten positions are widely used, and there are more imported…
A long time ago, we calculated simple addition and subtraction operations through calculations. Multiplication and division operations can only calculate small numbers. Once the numbers become larger, they cannot be calculated accurately. However, the invention of the abacus is already a major advancement in human civilization. With the development of technology, calculators are now the…
The functional calculator can also be called a scientific calculator, which is the general term for the type of calculator with elementary function numerical calculation function, and it is also the most commonly used type of calculator. It can have different calculation functions due to factors such as the manufacturer and model of the production.…
