RPN-45 scientific calculator - Google Play
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Publisher Description
A scientific calculator based on the classic HP-45 calculator.
RPN-45 scientific calculator is a true hardware emulation of the classic HP-45 calculator will behave just like the original.
The following Android functions are supported:
• Calculation results can be copies to the clipboard.
• Can be installed on the SD-Card.
• Participates in Androids build in backup and restore.
• Honeycomb Tablet compatible.
• Extra Printer for Honeycomb Tablets (visit our web-page for screen shot).
Please visit our web-page for more informations and support. Remember that the Market-Comments have no answer function and I can't help you if you post there.
About RPN-45 scientific calculator
The company that develops RPN-45 scientific calculator is Martin Krischik. The latest version released by its developer is 1.0.
To install RPN-45 scientific calculator on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-09-21 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the RPN-45 scientific calculator as malware if the download link to net.sourceforge.uiq3.hp45 is broken.
How to install RPN-45 scientific calculator on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the RPN-45 scientific calculator is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
- A pop-up window with the permissions required by RPN-45 scientific calculator will be shown. Click on Accept to continue the process.
- RPN-45 scientific calculator will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.
Program Details
System requirements
Download information
Pricing
Version History
version
posted on 2026-09-21
Completely revised the way the desktop application is started on Windows, Linux and macOS (Bug #38). Dedicated start scripts, AppImage support for Linux and improved packaging make launching the application more reliable across all supported operating systems.
Updated the Android target API to the latest version so that the app remains available in the Google Play Store.
Updated external links in the help pages.
version
posted on 2026-09-21
Completely revised the way the desktop application is started on Windows, Linux and macOS (Bug #38). Dedicated start scripts, AppImage support for Linux and improved packaging make launching the application more reliable across all supported operating systems.
Updated the Android target API to the latest version so that the app remains available in the Google Play Store.
Updated external links in the help pages.
version
posted on 2025-12-20
minor improvements
version
posted on 2024-09-18
Fix null pointer exceptions.
Fix baseline problem in RPN-45
Improve button layout
Replace generic 14 segment font with more realistic HP-41C font.
Fix sluggish task change.
version
posted on 2024-08-28
Fix baseline problem in RPN-45
Improve button layout
Replace generic 14 segment font with more realistic HP-41C font.
Fix sluggish task change.
version
posted on 2024-08-07
Add content description to buttons.
Fix font loading which didn’t work any more.
Add more fonts.
Make theme support accessible in preference dialogue.
Add customized FlatLAF themes.
Add reset menu
version
posted on 2024-07-28
Add content description to buttons.
version
posted on 2024-06-17
Update desktop version for easier bug fixes.
Desktop version is new free of change and can be downloaded on SourceForge.
Fix rounding error in RND
Fix rounding error in FIX
Update Notifications to new Android API
Fix stack overflow error
Additional unit and instrumentation tests
Fix java.lang.IllegalStateException in Use_Large_Screen.
Fix java.lang.RuntimeException in Switch_Display.
version
posted on 2024-06-09
New desktop version for easier bug fixes.
Desktop version is new free of change and can be downloaded on SourceForge.
Remove foreground service and notifications as it’s not needed.
Fix stack overflow error
Additional unit and instrumentation tests
version
posted on 2024-05-15
New desktop version for easier bug fixes.
Desktop version is new free of change and can be downloaded on SourceForge.
Remove foreground service and notifications as it’s not needed.
Disclaimer
Official Google Play Link
We do not host RPN-45 scientific calculator on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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