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RPNcalculator (Version 1.0: 2004/07)

Overview

Javascript is used to perform the calculations and cookies save userdefined variables. Depending on the safety preferences of your browser for the internetzone the

• saving of userdefined variables in cookies,
• opening of a popup window for the variable-listing
• opening of a popup window for a new instance of the RPNcalculator (see following drawing)

may not perform as expected when working online. Because of eased preferences in the homezone these problems should not occur when working with the downloaded program. For further informations you may visit the discussion. You also can start the RPNcalculator in your browser.

The use and further spread of the script is allowed as far as the conditions of the GNU general public license are followed.

Short description

Additionally to the above shown features the RPNcalculator can

• use a stack of 99 levels depth,
• be started in an independent popup window,
• work with variables using userdefined names,
• save userdefined variables in cookies for 50 days and
• be handled using the keyboard or the buttons of the program.

Basic informations explain the principles and the background of the rpn-method. Further explanations describe how the rpn-calculator may be opened and used for arithmetical calculations. Userdefined variables help to solve big expressions.

Handling the RPNcalculator with the keyboard will allow you to reduce the size of the program according to the right sketch in the above screenshot. To obtain intuitive use, programming was done with great respect on the key-handling and the response defined by usual rpn pocket calculators.