plus-minus sign

∓ (minus-or-plus sign)

Unicode | U+00B1 (decimal: 177) HTML | ± | ± | ± | ± | ± Wolfram Language | \[PlusMinus] | \.b1

Unicode | Latin-1 Supplement (128 through 255) (128 characters) ISO 8859 | ISO 8859-1 (Latin-1) (character 177)

symbol 〉 math 〉 operator