diff --git a/shenvs/anpi.nix b/shenvs/anpi.nix
index 6925f42..e442b2b 100644
--- a/shenvs/anpi.nix
+++ b/shenvs/anpi.nix
@@ -1,12 +1,14 @@
 pkgs: {
   paths = with pkgs; [
-    octave
+    (octave.withPackages (packages: with packages; [
+    	symbolic
+    ]))
     pipenv
-    (python39.withPackages ( packages: with packages; [
+    (python39.withPackages (packages: with packages; [
 	numpy
 	scipy
 	sympy
 	matplotlib
-    ] )) 
+    ]))
   ];
 }