What are the +-x÷ keys on the calculator?

The -x÷ key on the calculator is the operation function key.

# Calculator button instructions: (Recommended Learning: PHPSTORM )

## 1, Power Spread Key: ON, OFF

2. Input keys: 0—9, . /—: positive and negative conversion keys

3. Operation function keys: - * / (Note: addition, subtraction, multiplication, division keys may replace the equal sign key in calculations) √: square root key, used to perform square root operations. Enter the number first and then press this key to get the result without pressing the equal sign key.

4. Equal sign key: = 5. Clear key:

①C: Clear key. During digital input, pressing this key for the first time will clear all values ​​except the memory content. If it is a solar calculator, when the calculator is turned off, pressing this key will turn on the power and the display will show "0".

②AC or CA key: All clear key, also called total clear key, its function is to clear all numbers displayed on the display.

③→: Right shift key. Its function is to shift the screen value to the right and delete the rightmost mantissa.

④CE: Partial clear key, also called correction key.

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