• The Emacs Calculator (2009) http://nullprogram.com/blog/2009/06/23/ 53 comments 16/12/2017

• The GNU Emacs Calculator https://youtu.be/993dmoDdybs 18 comments 8/1/2022 emacs
• Literate Calculations in Emacs https://blog.sulami.xyz/posts/literate-calc-mode/ 15 comments 27/10/2020 emacs
• The GNU Emacs Calculator https://www.gnu.org/software/emacs/manual/html_node/calc/index.html 9 comments 15/2/2020 emacs
• emacscalc (or ec) is a script that lets you run the Emacs built-in calculator calc-mode "stand-alone", without needing to first open Emacs. https://dev.xkqr.org/diffusion/utec/ 22 comments 30/7/2019 emacs
• The Emacs Calculator « null program https://nullprogram.com/blog/2009/06/23/ 50 comments 24/10/2018 emacs
• The Emacs Calculator http://nullprogram.com/blog/2009/06/23/ 14 comments 13/9/2013 emacs
• GNU Emacs calc: Not your grandpa's calculator (can do matrices, algebra, graphing, units, ...) http://www.delorie.com/gnu/docs/calc/calc_toc.html 14 comments 20/2/2008 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
• e3 Editor - micro text editor with 17kB size, UTF-8 support, Wordstar-, EMACS-, Pico, Nedit or vi-like key bindings, can calculate arithmetics inside the text. https://sites.google.com/site/e3editor/ 3 comments 12/10/2016 commandline