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Class: Simple RPN Interpreter

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  Classes of Arturo Gonzalez-Mata Santana  >  Simple RPN Interpreter  >  Download .tar.gz .zip  >  Support forum Support forum (2)  >  Blog Blog  >  RSS 1.0 feed RSS 2.0 feed Latest changes  
Name: Simple RPN Interpreter
Support forum Support forum
Base name: rpn
Description: Evaluate reverse polish notation expressions
Related classes: , , , , , , ,
Version: -
PHP version: 4.0.0
License: GNU General Public License (GPL)
All time users: 510 users
All time rank: 4471
Week users: 2 users
Week rank: 1677
Picture of Arturo Gonzalez-Mata Santana
Author: Arturo Gonzalez-Mata Santana <e-mail contact>
Packages: 1 Browse this author's classes Browse this author's classes
Country: Spain Spain - PHP jobs in Spain
Age: 54
All time rank: 251161 in Spain Spain
Week rank: 1245 Up36 in Spain Spain Up
Innovation award
Innovation award
Nominee: 1x


  Detailed description  
This class can be used parse and evaluate RPN (reverse polish notation) expressions.

It can parse a mathematical expressions with operands and operators in reverse polish and evaluates the expression.

If the expression is split in multiple lines, it can evaluate each line individually.

Currently it supports the operators: +, - , *, /, IF, THEN, SWAP, DUP, =, <>, >, <. >= and <= .

 

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Group folder image Emulators System or language emulation View top rated classes
Group folder image Math Math related classes. View top rated classes
Group folder image Parsers Programming language interpreters and format parsers View top rated classes

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  Innovation Award  
PHP Programming Innovation award nominee
August 2007
Number 3
 RPN (Reverse Polish Notation) is a way to present the operands and operators of mathematical expressions.

RPN has been most notably used in Hewlett-Packard scientific calculators.

This class provides a solution to parse and evaluate mathematical expressions presented with RPN.

Manuel Lemos

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  Files folder image Files  
File Role Description
Plain text file rpn.class.php Class rpn parser
Plain text file example.php Example example of use of rpn.class.php with forms
Plain text file example2.php Example example of use of rpn.class.php with server files
Plain text file license.txt Lic. GPL license for RPN.class
Plain text file RPN.txt Data rpn "program" file

Download all files: rpn.tar.gz rpn.zip
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