Touch RPN Calculator7.21 - Google Play
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Publisher Description
Free RPN calculator with industry-standard features
Touch RPN, formerly known as Touch Fin, is an RPN calculator. This app implements many features of the industry-standard HP-12C.
This app offers many additional flavors of RPN calculators, including financial, scientific and for computer programming.
Two flavors are available for free (ad-supported): financial and scientific. Additional ad-free flavors are available for purchase within the app. The purchased flavors also offer vertical layout and saving memory to files.
Press the ON key to change Settings, choose the active flavor, and purchase additional flavors.
About Touch RPN Calculator
The company that develops Touch RPN Calculator is STENDEC. The latest version released by its developer is 7.21.
To install Touch RPN 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 2026-10-03 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 Touch RPN Calculator as malware if the download link to co.epxx.touch12if is broken.
How to install Touch RPN Calculator on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the Touch RPN 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 Touch RPN Calculator will be shown. Click on Accept to continue the process.
- Touch RPN 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 7.21
posted on 2026-10-03
Fix position of fast swap buttons when LCD top band is reduced
version 7.20
posted on 2026-07-26
- Settings: add option to change ON button to original appearance
- Settings: add option to change height of top band / LCD in landscape orientation
- Fixes in Scientific Advanced (thanks to F. Vincent)
- Fixes in Financial and Scientific (thanks to C. Nunes)
version 7.10
posted on 2026-06-21
- ON button icon replaced by Menu ("hamburger") to make clearer it opens the app Settings
- Interface can now be stretched by any combination of distortion and spacing (open Settings using Menu button to adjust)
- Load .15c program files from Torsten Manz 15C simulator
- Scientific Advanced: register count increased to 254
- Fix in Scientific Advanced program typing (e.g. f LBL f A key sequence is now accepted as f LBL A)
- Support to wide-gamut colors
version 7.00
posted on 2026-03-10
- Changes in interface rendering. Better adapted to tablets.
- New option for visual feedback
- Paste in (long press right side of LCD)
- Up to 4 fast flavor swap buttons
- Fix in how R/S is handled in INTEG and SOLVE subroutines
- Color Editor for all interface colors
- Changes in LCD gestures. Copy = touch right side. Paste in = long press right side. Show backside = touch left side. Color editor = long press left side.
- More info in https://stendec.io/blog/touchrpn2026_en.html
version 6.31
posted on 2026-03-10
Internal update
Bugfixes in operations INTEG and RCL infix (thanks to Mr. Huysegoms for the reports)
version 6.30
posted on 2026-01-08
- Added key feedback based on system keyboard sound
- Fixed bug in MEM function
- Internal updates
version 6.23
posted on 2025-12-08
Internal update for compatibility with Android 15
Fix bug introduced in version 6.22
version 6.20
posted on 2025-10-19
- CLEAR REG is programmable in scientific flavors (did now allow to add this operation to a program)
- Advanced Scientific: matrixes may be larger than 33 elements in one dimension (did not allow either dimension to be larger than 33)
- Fix number rounding behavior for FRAC, INT, TEST, STO I, CF I, SF I, etc. (should round up but rounded down numbers like 9.99999999999999)
Many thanks to F. Vincent for the bug reports and insights!
version 6.15
posted on 2025-06-11
Internal updates
version 6.16
posted on 2025-06-11
- Scientific flavors: fix factorial of negative integers (returns Error 0 all the time instead of Lanczos approximation) thanks F. Vincent for the report
- Financial advanced: support up to 80 cash flows like newer models, thanks C. Nunes for the report
- Internal updates
Disclaimer
Official Google Play Link
We do not host Touch RPN 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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