Retro 15C
Free
1.1for iPhone, iPod touch
Age Rating
Retro 15C Screenshots
About Retro 15C
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.
* 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.
Show More
What's New in the Latest Version 1.1
Last updated on Apr 27, 2017
Old Versions
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!
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!
Show More
Version History
1.1
Apr 27, 2017
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!
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!
1.0
Dec 15, 2012
Retro 15C FAQ
Click here to learn how to download Retro 15C in restricted country or region.
Check the following list to see the minimum requirements of Retro 15C.
iPhone
Requires iOS 8.0 or later.
iPod touch
Requires iOS 8.0 or later.
Retro 15C supports English