What is the ~ in math?
notone's complementproportional toIt really depends on the context, I probably didn't even get them all. I'm including computer science with math.
I think it's an equal to or less than sign.
in which type of math?
What kind of math? Algebra, Geometry, Trig?
Approximately equal. or similarity, Does this site help? : http://www.rapidtables.com/math/symbols/Basic_Math_Symbols.htm
It could mean "not".....or it could be the similar symbol.
Usually that sign means about
I've always recognized that from Spanish and in language arts as punctuation of some kind.