davedelong/DDMathParser — Issue #19: Unicode Character 'MINUS SIGN' (U+2212) should works just like dash
Author: blackjack75
Created: 2011-11-25 14:21:25+00:00
State: open

Now that the π, ÷ and × signs are supported natively I think it would make sense to also support the unicode 'minus' sign in addition to the 'dash' character.

http://www.fileformat.info/info/unicode/char/2212/index.htm