RPN ( expression )
Evaluate an expression with Reverse Polish Notation
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Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
This CF will allow you to evaluate an expression with Rerverse Polish Notation. Where entry detrmines order of operation, using a stack to push and pull from.
RPN input would be written : 10 25 2 * + 40 +
Infix input would be written : ((25 * 2) + 10) + 40
see also http://en.wikipedia.org/wiki/Reverse_polish
Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.