On 13-3-2009 11:59, Invisible wrote:
> Invisible wrote:
> 
>> I was pretty certain I remember there being a way to modify the exact 
>> order in which operations are performed yet always arrive at the same 
>> answer. However, I am currently unable to construct a valid example. 
>> Perhaps my memory is off...
> 
> How about these?
> 
> ABC+*DE+*F*
> ABC+DE+**F*

such rewriting indeed works for any operator $ that satisfies 
(A$B)$C=A$(B$C) i.e. AB$C$=ABC$$ in RPN.
BTW Why did you choose this example with such a lot or irrelevant detail?

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