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Excalibur 32-bit

**f0dder**:

Once you have learned to use the stack in an HP calculator (an RPN implementation), for instance, you'll understand why RPN is so popular with the more technical-minded among us.

-JohnFredC

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If the alternative is a calculator without decent editing facilities, perhaps... but with even the simple editing of a, say, TI-83, I see no advantage of RPN over standard algebraic syntax that most people can read fluently.

**JeffC**:

I have used both algebraic and RPN calculators as stand alone machines and on computer programs. I think that RPN comes into its own with stand alone machines - I can input data MUCH more quickly and accurately using RPN logic on those machines. I have both a TI-89 (algebraic) and an HP-49G (algebraic or RPN) and, in my opinion, the latter machine is far more productive in daily use when used in RPN mode. On the computer I don't find the advantage nearly as noticeable, and there are a lot of clever algebraic based calculators available: particularly ones without a keypad that are for 'just figurin ..' like Calcute (http://calcute.com/) or SpeQ Mathematics (http://www.speqmath.com/) both of which are freeware.

**f0dder**:

Both SpeQ and Calcute look pretty nice - thanks for those link!

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