The main components of the calculator are as follows:1. display screen Use display numbers and commands.2. button on a button to open the machine, wipe out all the numbers and commands.3. CE (clear) button is a button that uses the numbers clear on the screen, the display is number 0.4. button to display the commands in the system have both a number of +,-, x,/, =,%5. display button numbers in base 10 numbers from 0-9 and the decimal point.6. input button to apply to memory (memory). 7. button to perform tasks more quickly (the button "Delete last" (backspace) key, ""+/).
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