Usar la aplicación APKPure
Obtener RPN versión histórica en Android
Calculadora RPN práctico. Fuente abierta. Escrito en Kotlin.
Very handy calculator, in Reverse Polish Notation style. Written in Kotlin.
For every day use. Large digits with only the most used operators.
App is open-source. You'll find it at http://github/scoutant. Written with language Kotlin as alternative to Java.