Which key on the computer represents negative numbers?

The minus sign "-" is used to represent negative numbers. It is also the operation symbol of "subtraction", one of the four arithmetic operations. It can also mean to remove something from something. Addition and subtraction are one of the first two mathematical operations humans mastered.

You can type a negative sign by using the key behind the number 0 in the second row of the computer keyboard or directly using the minus key on the small keyboard.

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