What is the letter of the calculator clear key?

In recent years, thanks to the development of computers and the development and popularization of various office software, people can calculate accounts more quickly, which is not only convenient for calculations, but also error-prone The rate is low. (Recommended learning: web front-end video tutorial)

But even so, people are still more accustomed to calculators when calculating accounts, because calculators are pressed by hand. Numbers are more convenient and clear. There are many keys on the calculator. In addition to the number keys from zero to nine, there are also keys such as c, ce, etc. So what are these keys used for?

What is the CE key? Meaning?

CE=Clear Entry, only clears the number entered in the current step and can be re-entered. If after pressing 90, ,1, press CE (only the current number is reset), and then press 6, =, the displayed result is 96.

Usually AC and CE will not appear on a calculator at the same time, but one of them and C. Casio likes to use AC and C, where C is equivalent to CE; while other brands of calculators use C and CE, where C is equivalent to AC.

The meaning of other keys

1. Power on/all clear key (ON/AC): Press this key to power on, or clear all registers Value.

2. Clear key (C): During number input, pressing this key for the first time will clear all values ​​except the memory content.

3. Clear input key (CE): Pressing this key during digital input will clear the value in the input register and display "0".

4. Square root√: Display the square root of an input positive number.

5.M: Put the currently displayed value in the memory; interrupt digital input. For example, press 32×21 first, and the number is 672. Then press "M" to save the answer, then press "8765-", and then press "MR" to bring out the 672 just now, and finally we can get the answer 8093.

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