Retro 15C1.1 - App Store
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Publisher Description
Students and scientists from the 1980s will remember the classic RPN scientific calculators. These calculators strike a perfect balance between functionality and complexity.
* Complex number arithmetic and trig functions
* Matrix calculations
* Numerical root finder
* Numerical integration
* Statistical functions, linear regression
* Fully programmable
This app is completely free, no ads or extra bits to buy. I love this calculator and I like to share.
Version History Updated 64 bit build that will survive long past the next iOS update.
Also, the calculator display now scales correctly for all iPhone screen sizes.
The name of the app has been changed to "Retro 15C". It's still free and always will be.
Thank you for your support! 1.1 04/27/2017 1.0 12/15/2012
About Retro 15C
The company that develops Retro 15C is Greg Hewgill. The latest version released by its developer is 1.1.
To install Retro 15C on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 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 Retro 15C as malware if the download link is broken.
How to install Retro 15C on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Retro 15C is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Retro 15C is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.1
posted on 2026-10-14
Version History Updated 64 bit build that will survive long past the next iOS update.
Also, the calculator display now scales correctly for all iPhone screen sizes.
The name of the app has been changed to "Retro 15C". It's still free and always will be.
Thank you for your support! 1.1 04/27/2017 1.0 12/15/2012
version 1.1
posted on 2026-09-06
Version History This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
Updated 64 bit build that will survive long past the next iOS update.
Also, the calculator display now scales correctly for all iPhone screen sizes.
The name of the app has been changed to "Retro 15C". It's still free and always will be.
Thank you for your support! 1.1 04/27/2017 1.0 12/15/2012
version 1.1
posted on 2026-08-11
Version History This update from Apple will improve the functionality of this app. No new features are included.
Updated 64 bit build that will survive long past the next iOS update.
Also, the calculator display now scales correctly for all iPhone screen sizes.
The name of the app has been changed to "Retro 15C". It's still free and always will be.
Thank you for your support! 1.1 04/27/2017 1.0 12/15/2012
version 1.1
posted on 2017-04-27
This app has been updated by Apple to display the Apple Watch app icon.
Updated 64 bit build that will survive long past the next iOS update.
Also, the calculator display now scales correctly for all iPhone screen sizes.
The name of the app has been changed to "Retro 15C". It's still free and always will be.
Thank you for your support!
version 1.1
posted on 2017-04-27
Apr 27, 2017 Version 1.1
This app has been updated by Apple to display the Apple Watch app icon.
Updated 64 bit build that will survive long past the next iOS update.
Also, the calculator display now scales correctly for all iPhone screen sizes.
The name of the app has been changed to "Retro 15C". It's still free and always will be.
Thank you for your support!
version 1.1
posted on 2017-04-27
Apr 27, 2017 Version 1.1
This app has been updated by Apple to use the latest Apple signing certificate.
Updated 64 bit build that will survive long past the next iOS update.
Also, the calculator display now scales correctly for all iPhone screen sizes.
The name of the app has been changed to "Retro 15C". It's still free and always will be.
Thank you for your support!
version 1.1
posted on 2017-04-27
27 Apr 2017 Version 1.1
Updated 64 bit build that will survive long past the next iOS update.
Also, the calculator display now scales correctly for all iPhone screen sizes.
The name of the app has been changed to "Retro 15C". It's still free and always will be.
Thank you for your support!
version 1.1
posted on 2017-04-27
Apr 27, 2017 Version 1.1
Updated 64 bit build that will survive long past the next iOS update.
Also, the calculator display now scales correctly for all iPhone screen sizes.
The name of the app has been changed to "Retro 15C". It's still free and always will be.
Thank you for your support!
version 1.0
posted on 2012-12-15
version 1.1
posted on 1970-01-01
2017年4月27日 Version 1.1
Updated 64 bit build that will survive long past the next iOS update.
Also, the calculator display now scales correctly for all iPhone screen sizes.
The name of the app has been changed to "Retro 15C". It's still free and always will be.
Thank you for your support!
Disclaimer
Official App Store Link
We do not host Retro 15C on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
The App Store link for Retro 15C is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.
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