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Info: WIKIPEDIA:
The minus sign has several main uses in mathematics.
The subtraction operator: a binary operator to indicate the operation of subtraction, as in 5 - 3 = 2
Subtraction is the inverse of addition.
A prefix of a numeric constant:
When it is placed immediately before an unsigned numeral, the combination names a negative number, the additive inverse of the positive number that the numeral would otherwise name.

Internet: Link-1: WIKIPEDIA

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Created: 15-nov-2020, Manual-update: 17-nov-2020, Batch-update: 15-may-2022             

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