diff --git a/op.bf b/op.bf
new file mode 100644
index 0000000..40176a6
--- /dev/null
+++ b/op.bf
@@ -0,0 +1,57 @@
+COMPAR : 
+========
+
+<[
+	>[->+>+<<]>>[-<<+>>]	on copie
+	+<[>-<[-]]	on teste
+	>[->+>+<<]>>[-<<+>>]
+	<[<<<<[-]+>+>>>-]	 si le test est valide on efface
+	<<<-<-on finit la boucle
+]
+{add the last part}
+
+
+EQUALS :
++>[<->[-]]>>[<<<->>>-]<<<
+
+DIFFERENT :
+>[<+>[-]]>>[<<<+>>>-]<<<
+
+GREATER :
+>>>[<<<+>>>-]<<<
+
+GREATER OR EQUALS :
++>[<->[-]]<
+
+SMALLER :
+>[<+>[-]]<
+
+SMALLER OR EQUALS :
++>>>[<<<->>>-]<<<
+
+
+
+
+
+MUL :
+=====
+
+<[->>+<<]>[->[-<<+>>>+<]>[-<+>]<<]>[-]<<
+
+
+
+DIV :
+=====
+
+[->+>>+<<<]
+<[->+>>+<<<]
+>>>
+[>[->+>+<<]>>[-<<+>>]+<[>-<[-]]>[->+>+<<]>>[-<<+>>]<[<<<<[-]+>+>>>-]<<<-<-]+>[<->[-]]<
+[
+	-<[-<->>+<]>[-<+>]
+	<<<+>
+	[->>+>+<<<]>>>[-<<<+>>>]<<
+	[->>+>+<<<]>>>[-<<<+>>>]<
+	<[>[->+>+<<]>>[-<<+>>]+<[>-<[-]]>[->+>+<<]>>[-<<+>>]<[<<<<[-]+>+>>>-]<<<-<-]>>>[<<<+>>>-]<<<
+]
+<[-]<[-]<