diff --git a/linear_algebra/lib/vector.ml b/linear_algebra/lib/vector.ml
index 09569a4..713f089 100644
--- a/linear_algebra/lib/vector.ml
+++ b/linear_algebra/lib/vector.ml
@@ -73,3 +73,8 @@ let normalize v =
 let (%.) t i = t.{i}
 
 let set t i v = t.{i} <- v
+
+let pp ppf m =
+  let m = to_bigarray_inplace m in
+  Lacaml.Io.pp_fvec ppf m
+
diff --git a/linear_algebra/lib/vector.mli b/linear_algebra/lib/vector.mli
index 4b733be..be2b279 100644
--- a/linear_algebra/lib/vector.mli
+++ b/linear_algebra/lib/vector.mli
@@ -142,3 +142,5 @@ val (%.) : 'a t -> int -> float
 val set : 'a t -> int -> float -> unit
 (** Modifies the value in-place at the i-th position *)
 
+
+val pp : Format.formatter -> 'a t -> unit
diff --git a/top/lib/install_printers.ml b/top/lib/install_printers.ml
index be8a7bd..0a3ceb4 100644
--- a/top/lib/install_printers.ml
+++ b/top/lib/install_printers.ml
@@ -22,6 +22,7 @@ let printers =
     "Gaussian.Contracted_shell.pp" ;
     "Gaussian.General_basis.pp" ;
     "Linear_algebra.Matrix.pp" ;
+    "Linear_algebra.Vector.pp" ;
     "Mo.Basis.pp" ;
     "Mo.Class.pp" ;
     "Mo.Fock.pp" ;