This is a simple calculator for the UPN principle works. Inspired by the many products from Hewlett-Packard for this area. Some features: It has all the basic arithmetic operations and can also squares and calculates root. The stack comprises four levels and is always visible.
Reinhard Doberstein is the official developer of the app which can be found in the Tools category. Simple RPN Calulator has been downloaded and installed by over 0,5K users and the latest update was released on Nov 2, 2014. Google Play shows that this application is rated 4.9 by its users.
You can get the setup package of Simple RPN Calulator 1.4.1 free of charge and have a look at users' reviews on Droid Informer. The app works fine on Android 4.0 and higher. The download of the app doesn't contain viruses or any kind of malware.
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