Noun
RPN (uncountable)
(computing) Initialism of reverse Polish notation.
Around 1966, the Monroe Epic calculator supported an unnamed input scheme resembling RPN as well. Source: Internet
Designed by Robert "Bob" Appleby Ragen, citation Friden introduced RPN to the desktop calculator market with the EC-130 supporting a four-level stack in June 1963. Source: Internet
He and the State in-charge, RPN Singh, have fought with at least two old leaders. Source: Internet
She also gives thanks to the Head of the Community and Public Relations Bureau and members of the MPK RPN Kampong Panchor Mengkubau; Village Head of RPN Kampung Panchor Mengkubau as well as the volunteers for their support to make the event successful. Source: Internet
The successor of B3-21, the Elektronika B3-34 wasn't backward compatible with B3-21, even if it kept the reverse Polish notation (RPN). Source: Internet