diff --git a/Algo/Séminaire/Chapter 2 - Functions.md b/Algo/Séminaire/Chapter 2 - Functions.md
index d646fd1..61901df 100644
--- a/Algo/Séminaire/Chapter 2 - Functions.md	
+++ b/Algo/Séminaire/Chapter 2 - Functions.md	
@@ -75,3 +75,17 @@ _: int = 4 (*same things but with another method*)
 ```
 
 ## 2.3. Function with several parameters (2 or more)
+
+```Ocaml
+(*The logic way (for us)*)
+# let average(a,b) = (a+b)/2 ;;
+val average: int*int -> int = <fun>
+
+(*This method is not for several parameter, is just a one parameter wich is a couple*)
+
+(*The OCaml way (the way that it work) *)
+# let average a b = (a+b)/2;;
+val average: int -> int -> int = <fun>
+# average (-2) (2);;
+-: int = 0
+```