Plus42
Enhanced HP-42S Calc Simulator
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Description

Plus42 is an advanced scientific programmable calculator, based on Free42. Free42, in turn, is a complete re-implementation of the HP-42S scientific programmable RPN calculator, which was made from 1988 until 1995 by Hewlett-Packard. Free42 is a complete rewrite and contains no HP code whatsoever.

Plus42 builds on Free42 and adds: Algebraic expressions modeled after those used on the HP-27S and HP-17B/19B; attached units and unit conversions modeled after those used on the HP-48/49/50 series; directories for more organized storage of programs and variables; a larger display, with 8 rows and 22 columns (131x64 pixels) by default, which the user may resize at will; time value of money and amortization schedules; and two-dimensional plotting of functions, with ability to zoom and pan, and find integrals and roots from points in the plot.
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User Rating

5 out of 5

6 ratings in United Kingdom

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Ratings History

Reviews

Fantastic

malware on

I have a real HP 42S and this is a great choice for an iPhone calculator. It does everything the 42S does and more. I like the different screen displays and the haptic feedback. My favourite iPhone calculator so far!

Fantastic app

SquireD on

This is a beautifully crafted, powerful app and anyone interested in calculators should have this in their collection. I have recently bought both the SwissMicros DM41X and DM42, so to have the iOS Plus42 available on my phone/iPad when out and about is incredible and very handy. It joins the faithful recreations of the HP50g, TI59, TI84, HP15C, FX602P, i41CX etc on iOS. 😎👍 I would also like to take this opportunity to thank the author for making the free, open source Free42 app available too. I have the Free42 AND Plus42 apps running on the Linux desktop. Fantastic!

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Category Rankings

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Top Paid
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Top Paid
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Top Paid
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Keywords

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App Info

Category
Utilities
Publisher
Thomas Okken
Languages
English
Recent version
1.1.12 (1 month ago )
Released on
Mar 15, 2023 (1 year ago )
Last updated
1 month ago