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GeezerVison is showing mathworld.wolfram.com — Difference -- from Wolfram MathWorld

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Difference

The difference of two numbers n_1 and n_2 is n_1-n_2, where the minus sign denotes subtraction.

See also

Backward Difference, Finite Difference, Forward Difference, Minus, Subtraction, Symmetric Difference

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Cite this as:

Weisstein, Eric W. "Difference." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Difference.html

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