--- a/SignedByteArray.st	Sat Jun 04 04:38:44 2016 +0200
+++ b/SignedByteArray.st	Sat Jun 04 04:39:53 2016 +0200
@@ -1,5 +1,3 @@
-"{ Encoding: utf8 }"
-
 "
  COPYRIGHT (c) 2016 by eXept Sofware AG
               All Rights Reserved
@@ -51,6 +49,20 @@
 "
 ! !
 
+!SignedByteArray class methodsFor:'queries'!
+
+maxVal
+    "the minimum value which can be stored in instances of me"
+
+    ^ 127
+!
+
+minVal
+    "the minimum value which can be stored in instances of me"
+
+    ^ -128
+! !
+
 !SignedByteArray methodsFor:'accessing'!
 
 basicAt:index