## order of operations - parenetheses

Is there a better/different way of indicating the order of operations in a mathematical expression - other than using parentheses?
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 Why? What's wrong with parentheses?
 Recognitions: Homework Help Whether it's better or not is up for debate, but http://en.wikipedia.org/wiki/Polish_notation and http://en.wikipedia.org/wiki/Reverse_Polish_notation

Recognitions:
Homework Help

## order of operations - parenetheses

Ah, prefix and postfix notation. I remember when I took an intro to programming class as an undergrad, I had to write a program that converted from prefix/postfix to infix, in Pascal. That was fun.
 Number Nine! Nothing wrong with brackets. Just curiosity. When I studied OOO when I was kid 40 years ago, I studied different types of brackets and their order of precedence. Now, no one uses all these types of brackets, just ordinary brackets with nesting as needed. Just curiosity to know if there is an alternate and better way.

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