More or less
the symbol ±, meaning "plus or minus", used to indicate the precision of an approximation (as in "The result is 10 ± 0.3", meaning the result is anywhere in the inclusive range from 9.7 to 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude
Symmetric, Open shape, Monochrome, Contains straight lines, Has crossing lines.
Category: Mathematical Symbols.
More symbols in Mathematical Symbols:
This is a list of symbols found within all branches of mathematics. read more »