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RPNCalc 3.00

Freeware
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RPN Calculator is a reverse polish notation programmable calculator for science and engineering.
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Screenshots & Images

Screenshot of Main program screen

Description

RPN Calculator is a reverse polish notation programmable calculator for science and engineering. It supports well over 200 functions and 11 data types (real, integer, variable, vector, matrix, list, program, unit, complex, string, and tag). The stack, variables, and programs can be saved and reloaded. The number of levels of stack that can be used is virtually unlimited. If the number of levels in the stack exceeds the display, you can scroll up or down to see more.

System Requirements

Copy CAB file to handheld and tap on it to install.

Installation Instructions

Copy CAB file to handheld and tap on it to install.

Requirements

RPN Calculator runs in any of the following environments:
Supported platforms:

Windows CE 2.00 Handheld PC (SH-3 and MIPS)
Windows CE 2.01 Grey Palm-size PC (SH-3 and MIPS)
Windows CE 2.11 Colour Palm-size PC (SH-3 and MIPS)
Windows CE 2.11 Handheld PC Professional (SH-3, MIPS, and ARM)
Windows CE 3.00 Pocket PC (SH-3, MIPS, and ARM)
Windows CE 3.00 Handheld PC 2000 (SH-3, MIPS, and ARM)
Windows CE 3.00 Pocket PC 2002 (ARM)
Windows CE 4.20 Pocket PC 2003 (ARM)
Windows 95 (Requires Microsoft Windows Installer for Windows 9x)
Windows 98 (Requires Microsoft Windows Installer for Windows 9x)
Windows Me
Windows NT 4.0 (Requires Microsoft Windows Installer for Windows NT)
Windows 2000
Windows XP
Windows Server 2003

Tags

Calculatorrpnrpn calculator

   
License Freeware
The program is completely free to use.
   
Website http://tom.boldt.ca
Not working? Try this website on the WayBack Machine
We believe this app can be obtained directly from its developer!
   
Popularity 352
Total Downloads  181
   
Submitted By Rich Hawley
Submitted On 13 January 2014

Comments

Nuketank 28 August 2017 at 1:33:00 AM
Excellent RPN calculator. My go-to for all my calculating needs!
I love how all five accumulator registers are visible. Wish my HP12C had that feature!
Works on MIPS, even though that's not listed here.
Strathos 03 December 2021 at 7:56:09 PM
This is a gem of a program. Richly featured and also programable.

Here's a function/program to convert decimals to fractional notation (a->b/c). It will show "7/2 || 3_1/2" for 3.5; "355/113 || 3_16/113" for pi.

<< DUP if DUP FP then 6 end NEG ALOG 2 / 1 0 4 ROLL DUP ABS 5 ROLLD SIGN << X A * 0.5 + FLOOR >> << F X A * - ABS P A * >= >> -> X P A B S F W << X ABS while W repeat INV DUP IP ABS A * B + A 'B' STO 'A' STO FP end DROP F S * 'F' STO F ->STR "/" A ->STR " || " F SIGN X IP * ->STR "_" F A MOD ->STR "/" A ->STR >> + + + + + + + + MSGBOX >>

This one allows you to input a precision value for better approximations on irrational numbers.

<< DUP if DUP FP then "Precision digits" "" input obj-> end NEG ALOG 2 / 1 0 4 ROLL DUP ABS 5 ROLLD SIGN << X A * 0.5 + FLOOR >> << F X A * - ABS P A * >= >> -> X P A B S F W << X ABS while W repeat INV DUP IP ABS A * B + A 'B' STO 'A' STO FP end DROP F S * 'F' STO F ->STR "/" A ->STR " || " F SIGN X IP * ->STR "_" F A MOD ->STR "/" A ->STR >> + + + + + + + + MSGBOX >>

You can assign the program to a variable as follows:
Paste the program into the input field.
Press enter.
Type the name of the variable between single quotes. E.g. 'fr'.
Press enter.
Type STO.
Press enter.

Afterwards, you can execute the function by typing the variable name without quotes and pressing enter.
3.5<enter>
fr <enter>

You can create a shortcut so it automatically opens your RPN file when launched.
"\Program Files\RPN Calculator\rpncalc.exe" \My Documents\RPNCalc.RPN

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