Question

what is s in mathematics​

Answer 1

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± Plus or Minus. This symbol ± means 'plus or minus'. It is used to indicate, for example, confidence intervals around a number. The answer is said to be 'plus or minus' another number, or in other words, within a range around the given answer. For example, 5 ± 2 could in practice be any number from 3 to 7.

Answer 2

is constants in mathematics