HP 12C calculator will not switch to landscape on iPhone

Iv been using this calculator for years, but in the last month or so, I cannot get it to switch to landscape mode for financial calculations! Has anyone else experienced this? I’m sure it is the result of an iOS update, but how to contact the developer?


[Edited by Moderator]

iPhone 14 Pro Max

Posted on Dec 26, 2023 11:16 AM

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Question marked as Top-ranking reply

Posted on Dec 26, 2023 12:12 PM

The app named HP 12 C Financial Calculator hasn't received an update in over 2 years. What ever the App is named, click on its entry in the App Store and then scroll down to the developers website URL and click that.


If this application has not been made compatible with iOS 17.2.1, it may not perform as expected.

3 replies

Dec 26, 2023 6:41 PM in response to RitterVon—

RitterVon— wrote:

Thank you for your response. The issue with that solution is when you click on the developer, Royal Consumer Products, Inc., it opens up a new tab for their other products, but never the URL. I haven’t figured out how to contact the developer.


Following the developer website link in the app store, and then selecting the contact page, gets to here:


https://hpofficesupply.com/contact/


As an alternative, I use PCalc. PCalc is actively maintained, and optionally provides RPN, too.

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HP 12C calculator will not switch to landscape on iPhone

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