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"Intuitive Interactions"John McCulloch's RPN Calculator Page |
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RPN or "Reverse Polish Notation" is a more natural way of performing calculations than the more conventional "=" sign calculators. The general principle of use is to type in a number, click "ENTER", type in another number and then click on the two-number operation you want to perform. Unfortunately, very few calculators use this method. My first RPN calculator was an HP 45 purchased by the company I worked for in the early 1970's - it cost over £400 - at that time you could get a reasonable second-hand car for that. Like many people, I much prefer to use RPN, and so I have built my own RPN calculator to use on my PC. This is written in Visual Basic and runs on most 32 bit Windows platforms. It incorporates a number of features that I like to have:
If you want to try this calculator, email me at All I ask is five pounds, dollars or euros via PayPal and I will send you the download, (1.3 Mb). I welcome your feedback. Click on the relevant item in the left-hand column to get more detail on one of these subjects, to read my CV, to go to my home page or to contact me. |