RPN Calculator (Multifunction) app for iPhone and iPad

4.8 ( 2368 ratings )

Business Education
Developer: Echo3 Online Services

0.99 USD

Current version: 1.0.0, last update: 8 years ago
First release : 03 Dec 2014
App size: 432 Kb

Reverse Polish Notation (RPN) is a mathematical notation in which every operator follows all of its operands, in contrast to Polish notation, which puts the operator in the prefix position. It is also known as postfix notation and is parenthesis-free as long as operator arities are fixed. The description "Polish" refers to the nationality of logician Jan Łukasiewicz, who invented Polish notation in the 1920s.