diff --git a/emacs/.emacs.d/config/init-utils.el b/emacs/.emacs.d/config/init-utils.el
index 964626c..ab5909a 100644
--- a/emacs/.emacs.d/config/init-utils.el
+++ b/emacs/.emacs.d/config/init-utils.el
@@ -8,4 +8,11 @@
         (message formatted)
       formatted)))
 
+(use-package casual-calc
+  :straight (:type git :host github :repo "kickingvegas/casual-calc")
+  :commands casual-calc-tmenu
+  :general
+  (calc-mode-map "C-o" #'casual-calc-tmenu)
+  (calc-alg-map "C-o" #'casual-calc-tmenu))
+
 (provide 'init-utils)