• Who is stll making RPN calculators, that is besides the HP-12? (2017) https://forum.allaboutcircuits.com/threads/who-is-stll-making-rpn-calculators-that-is-besides-the-hp-12.134787/ 5 comments 23/12/2023
• What Is RPN? Why Did/Does HP Use RPN? Learning RPN (1999) https://www.hpmuseum.org/rpn.htm 117 comments 6/3/2021
• RPN calculator implementations in 61 languages http://www.math.bas.bg/bantchev/place/rpn/rpn.impl.html 8 comments 1/1/2019
• Smallest RPN Calculators https://www.swissmicros.com/ 32 comments 15/11/2015
• RPN Ever 4 http://37signals.com/svn/posts/2760-rpn-ever-4- 35 comments 3/2/2011
• VLC: The HTTP interface (macros and RPN evaluator) http://www.videolan.org/doc/vlc-user-guide/en/ch05.html 6 comments 1/12/2009

• Introducing: XRPN - the eXtensible RPN programming language https://github.com/isene/xrpn 3 comments 5/1/2023 programming

• RPN: Reverse Polish Notation calculator and interpreter written in Vlang | edam https://github.com/edam/rpn 0 comments 4/5/2025 vlang
• Vectro, the rpn calculator for your terminal https://github.com/gurgeous/vectro 22 comments 12/3/2025 commandline
• UnitDC: an RPN calculator that linearly combines units automatically https://github.com/eternal-flame-AD/unitdc-rs 3 comments 22/8/2023 rust
• [D] Why have separate stages for RPN (proposal generation) and ROI (refinement) https://www.leewayhertz.com/action-transformer-model/ 5 comments 6/8/2023 machinelearning
• Visual RPN Calculator - maybe the start of a truly beautiful tool https://github.com/timeopochin/ilo-nanpa 7 comments 6/5/2021 commandline
• Introducing T-REX: An RPN calculator for the terminal https://isene.org/2021/02/T-REX.html 5 comments 10/2/2021 commandline
• Introducing Calcula - a visible scientific RPN calculator for the command line. https://github.com/pentalive/calcula.git 15 comments 26/11/2020 pascal
• I created a command-line RPN calculator. https://github.com/simonsolnes/rpn 3 comments 15/11/2017 commandline
• An RPN compiler in 5 lines of q http://www.ivorykite.com/2016/09/64bit-rpn-compiler-in-q/ 17 comments 30/9/2016 programming
• I've always wanted a command line rpn calculator. I couldn't find one, so I made one myself. https://github.com/simonsolnes/rpncalc 19 comments 20/9/2016 commandline
• Started writing a commandline RPN calculator (for fun/exercise), ended up writing a mini Forth interpreter #justelixirthings https://github.com/pmarreck/elixir-snippets/blob/master/rpn_forth_thing.exs 4 comments 5/5/2015 elixir
• quick RPN calculator for hackers https://github.com/zk-phi/rpn-calc 9 comments 18/2/2015 emacs
• RPN Singh's faux pas, blames BJP for Rajiv Gandhi's lax security http://ibnlive.in.com/news/rpn-singhs-faux-pas-blames-bjp-for-rajiv-gandhis-lax-security/432575-37-64.html 14 comments 6/11/2013 india
• 40 Chinese soldiers camping in India is no intrusion, says Union minister RPN Singh http://indiatoday.intoday.in/story/rpn-singh-on-chinese-incursion-on-aajtak-seedhi-baat/1/268169.html 25 comments 28/4/2013 india
• While Sushil Kumar Shinde was disclosing the names of Bhandara rape victims, RPN Singh, Rajiv Shukla and Salman Kurshid were busy cracking jokes behind Shinde's back. Sensitivity my ass! http://www.youtube.com/watch?amp%3Bv=Q40sSsPtVHQ&feature=player_detailpage#t=48s 12 comments 1/3/2013 india
• HT's @gauravcsawant asked that guy(the representative of the protesters) as to why he touched RPN Singh's feet? He had no answers! Gave some 'Indian culture' mumbo-jumbo. Exposed . NSUI (Congress Youth Wing) all the way. http://inagist.com/all/282773179049578497/ 3 comments 24/12/2012 india
• Ruby golf! An RPN calculator in 131 characters of Ruby https://gist.github.com/3094114 14 comments 12/7/2012 ruby
• HP 15c, The legendary Scientific RPN Calculator is back in a limited edition http://www.shopping.hp.com/product/calculator/scientific/1/storefronts/nw250aa%2523aba 8 comments 19/9/2011 math
• HP 15c, The legendary Scientific RPN Calculator is back in a limited edition http://www.shopping.hp.com/product/calculator/scientific/1/storefronts/nw250aa%2523aba 16 comments 19/9/2011 science
• Fan of the old HP Scientific RPN calculators? Her's an interesting project that repurposes a readily available financial calculator into a very powerful scientific with features from HP 42s, 16c, 41c and more. http://www.wiki4hp.com/doku.php?id=34s:repurposing_project 13 comments 4/8/2011 math
• Small RPN calculator jit x86 compiler in python https://gist.github.com/1073233 6 comments 9/7/2011 programming
• I just bought an HP35s RPN calculator at Staples in Canada; long live RPN!! http://en.wikipedia.org/wiki/hp_35s 4 comments 24/4/2011 technology
• RPN calculator in Perl 6 http://daniel.carrera.bz/2009/06/rpn-calculator-in-perl-6/ 13 comments 7/6/2009 programming
• RPN calculator in Perl 6 http://daniel.carrera.bz/2009/06/rpn-calculator-in-perl-6/ 4 comments 6/6/2009 perl
• An RPN calculator in 46 languages (and growing) http://www.stacken.kth.se/~foo/rpn/ 7 comments 13/1/2009 programming
• A Simple RPN Calculator in Haskell http://jcreigh.blogspot.com/2006/11/simple-rpn-calculator-in-haskell.html 11 comments 13/10/2007 programming
• Emacs Calc mode -- powerful RPN calculator you probably didn't know about http://emacs.traduc.org/fusion/info/calc/index.html 2 comments 2/4/2007 programming