Touch RPN Calculator

STENDEC

Contains adsIn-app purchases

About this app

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.

Ratings and reviews

I really dig it. I have the original from HP and it's excellent. This is the same thing exactly but now I don't have to carry both units. Woulda given 5 stars for no ads but they're kinda small so not that big a deal. Ps., I have figured out a way to beat the ad thing but I won't publish it, not for now anyway. Just letting you know that it is possible.

The paid version now has ads. The developer explains this happened when they consolidated the different versions in the app store into a single version with "flavors" and lost track of who had paid. I fixed mine by opening the app, pressing the "ON" button and choosing "flavor" as "Financial Premium". No additional payment was requested.

Convenient RPN calculator to access all flavors of the classic HP Voyager models of calculators. A great feature of the app is the ability to easily save and restore programs/memory; this is especially convenient for the 12C instance of the simulator. And the premium models switch button is a quite nice convenience feature. Last but not least, the exact same Voyager calculator apps are available on the desktop browser from the developer's website.

What’s new

- 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