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AbsBench
Removes the sign. |x|.
Absolute value strips away the sign and keeps only the size — |−5| and |5| are both 5, because both are 5 units from zero on the number line.
It's essential whenever you care about how far apart two things are but not which direction — error margins, temperature differences, or distance calculations all rely on absolute value.
|n|
7
Distance from zero on the number line
What you entered
Negative — flip the sign
|-7|= 7Result
|n|: 7
The absolute value of -7 is 7.