Web site no longer exist !!:(
Just purchased today April 2022,, and website of developer NO Longer exist !!, I gues NO support or import programs ability !!, WAY OVER PAID , sad
Yes, 42s RPN Calculator is completely free and it doesn't have any in-app purchases or subscriptions.
🤔 The 42s RPN Calculator app's quality is mixed. Some users are satisfied, while others report issues. Consider reading individual reviews for more context.
42s RPN Calculator is free.
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3.38 out of 5
8 ratings in Australia
Just purchased today April 2022,, and website of developer NO Longer exist !!, I gues NO support or import programs ability !!, WAY OVER PAID , sad
Byron, Love the app! The recent 15.4.1 iOS somehow spit out an error that doesn’t fold the settings like dispensation and mode when opening and reclining the app. I use your all nearly every day. Please help! Thanks so much. Tried reporting via AppStore button and didn’t have any luck reaching you. Cheers!!!
This is by far and away the best implementation of a Hewlett-Packard calculator available on the App Store. Hard stop. I would echo the sentiments of other reviews, that the developer please update and maintain this app. If you charged $50, I would pay it… UPDATE 9/2021: Still an amazing App that I use daily. No updates in 4 years has me worried. Please don’t drop support. With larger phones, one amazing enhancement would be to add an option for an 8th row, which would be user selected (like Prob) or else user configurable. In either case the extra row would stay in place, not dropping down and cutting off current top row. It would stays in place until the user switched it. Seriously, Byron, I would pay you $1,000 for the 8th row. There is also room for a 9th row. 😀
I just wanted to update my review. Conclusion: I still love this thing. I own two real 42S calculators, and the one from Switzerland (DM42), but this is the best because I always have my phone handy, and the extensions to the original are well thought out. I love this thing. I collect calculating machines of various kinds - from Sorobans and Napier’s Bones to slide rules and mechanical calculators to electronic calculators, and this is my favorite on my phone. And the only one that merits a top level spot on the first page of apps.
This app used to be great but one of the last updates lost one row of keys above the enter key. What happened to the STO, RCL, SIN, COS and TAN????
Fantastic app! I’ve been using it almost daily for years with programs I’ve written. Can’t work without it. Now with the iOS 14.2 update it will open and then immediately disappears Hopefully this program is still supported
Updated to 14.2. App immediately crashes upon opening.
STO RCL R! SIN COS TAN line is missing?
At work I can either grab the real one or grab my phone. The 42 on the phone is way easier to read now that my eyes have grown tired lol. Best app on my iPhone hands down.
I really liked this but I found the integration function is not accurate when integrating the normal curve function. Off by 9%. My 15C is slower but right on accurate.
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Top Paid
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217
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Top Paid
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239
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Top Paid
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292
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Top Paid
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335
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Top Paid
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380
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