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-rw-r--r--Emacs/.config/emacs/config.org35
1 files changed, 35 insertions, 0 deletions
diff --git a/Emacs/.config/emacs/config.org b/Emacs/.config/emacs/config.org
index 53cc686..a4ce559 100644
--- a/Emacs/.config/emacs/config.org
+++ b/Emacs/.config/emacs/config.org
@@ -1308,6 +1308,41 @@ freely.
(with-eval-after-load "evil-collection"
(evil-collection-ibuffer-setup)))
#+end_src
+** Calculator
+Surprise, surprise Emacs comes with a calculator. At this point there
+is little that surprises me in terms of Emacs' amazing capabilities.
+
+=calc-mode= is a calculator system within Emacs that provides an
+incredible array of mathematical operations. It uses reverse polish
+notation to do calculations (though there is a standard infix
+algebraic notation mode) and provides incredible utilities.
+
+#+begin_src emacs-lisp
+(use-package calc
+ :straight nil
+ :general
+ (leader
+ "ac" #'calc)
+ :init
+ (setq calc-algebraic-mode t)
+ :config
+ (with-eval-after-load "evil-collection"
+ (evil-collection-calc-setup)))
+#+end_src
+*** Calctex
+=calc-mode= also has a 3rd party package called =calctex=. It renders
+mathematical expressions within calc as if they were rendered in TeX.
+You can also copy the expressions in their TeX forms, which is pretty
+useful when writing a paper. I've set a very specific lock on this
+repository as it's got quite a messy work-tree and this commit seems to
+work for me given the various TeX utilities installed via Arch.
+
+#+begin_src emacs-lisp
+(use-package calctex
+ :after calc
+ :straight (calctex :type git :host github :repo "johnbcoughlin/calctex")
+ :hook (calc-mode-hook . calctex-mode))
+#+end_src
* Major modes, programming and text
Setups for common major modes and languages.
** General Text Configuration