minus-plus sign

English

Noun

minus-plus sign (plural minus-plus signs)

1. (mathematics) the symbol ∓, meaning "minus or plus", used alongside the plus-minus sign to show that a negative value is to be taken where the positive value is indicated by the plus-minus sign, and vice versa (as in (x ± 1) / (x ∓ 2), which means (x + 1) / (x - 2) and (x - 1) / (x + 2).

See also

• plus-minus sign

Anagrams

• plus-minus sign