Mathematics is shit

Just look at these ugly swatches of code:
http://www.cse.unt.edu/~idl99/Proceedings/ahn/img50.gif
http://www.cse.unt.edu/~idl99/Proceedings/ahn/node8.html

That is what you get, when programming immitates math. Even Java and PHP looks beautiful compared to that. Mathematics should be banned as a harmful and obfuscated teaching.

>>13
How do you use them?

>>12
You have to parse them first. Parsing even a simple infix expression is very hard: there are binding powers, parens, precedencies, left-to-right, bottom and top-down orders, missing operand, unary/binary ambiguities (`-` is used as both binary and unary op).