diff --git a/nix-darwin/home.nix b/nix-darwin/home.nix
index 5ea0101..9c8703c 100644
--- a/nix-darwin/home.nix
+++ b/nix-darwin/home.nix
@@ -82,6 +82,7 @@
     htop
     ripgrep
     sshfs
+    libqalculate
 
     # Simulators
     # ngspice