diff --git a/config.org b/config.org
index 00a81a9..19d6168 100644
--- a/config.org
+++ b/config.org
@@ -108,6 +108,12 @@ The provided default ~config.el~
 (after! gcmh
   (setq gcmh-high-cons-threshold (* 64 1024 1024)))
 #+end_src
+** Setup my user prefix
+Use ~SPC z~ as my user prefix for custom commands and what not
+#+begin_src emacs-lisp
+(map! :leader
+      (:prefix ("z" . "custom")))
+#+end_src
 * Appearance, UX, and Fixes
 ** Mixed Pitch Mode
 Use mixed pitch mode in prose writing modes, to make the writing experience a bit more pleasant.
@@ -774,13 +780,17 @@ Edit indirect for comments
 Set the default mode to github flavored markdown, turn on smart use of fill column, and bind to the normal edit-indirect keybinding.
 #+begin_src emacs-lisp
 (use-package! separedit
-  ;; :bind
-  ;; (:map prog-mode-map
-  ;;  ("C-c '" . separedit))
   :config
   (setq separedit-default-mode 'gfm-mode
         separedit-continue-fill-column t))
 #+end_src
+
+Setup the binding
+#+begin_src emacs-lisp
+(map! :leader
+      :desc "Separedit"
+      "z s" #'separedit)
+#+end_src
 *** Rainbow delimiters
 Makes pairs of delimiters into pretty colors. Hook this into prog-mode
 #+begin_src emacs-lisp
@@ -1035,3 +1045,15 @@ Now setup notifications
                     #'(lambda() (edit-server-start))))
   :config (setq edit-server-new-frame nil))
 #+end_src
+
+** Emacs calculator
+Bind calc to ~SPC o c~
+#+begin_src emacs-lisp
+(require 'calc)
+(map! :leader
+      (:prefix ("z c" . "calc")
+               "c" #'calc
+               "q" #'quick-calc
+               "d" #'calc-dispatch
+               "g" #'calc-grab-region))
+#+end_src