diff --git a/numeric-prelude.cabal b/numeric-prelude.cabal
--- a/numeric-prelude.cabal
+++ b/numeric-prelude.cabal
@@ -1,5 +1,5 @@
 Name:           numeric-prelude
-Version:        0.4
+Version:        0.4.0.1
 License:        GPL
 License-File:   LICENSE
 Author:         Dylan Thurston <dpt@math.harvard.edu>, Henning Thielemann <numericprelude@henning-thielemann.de>, Mikael Johansson
@@ -154,7 +154,7 @@
   default:     False
 
 Source-Repository this
-  Tag:         0.4
+  Tag:         0.4.0.1
   Type:        darcs
   Location:    http://code.haskell.org/numeric-prelude/
 
diff --git a/src/Number/PartiallyTranscendental.hs b/src/Number/PartiallyTranscendental.hs
--- a/src/Number/PartiallyTranscendental.hs
+++ b/src/Number/PartiallyTranscendental.hs
@@ -17,8 +17,6 @@
 import qualified Algebra.Additive       as Additive
 -- import qualified Algebra.ZeroTestable   as ZeroTestable
 
-import qualified MathObj.Wrapper.Haskell98 as W98
-
 import NumericPrelude.Numeric
 import NumericPrelude.Base
 
@@ -81,6 +79,7 @@
    negate = lift1 P.negate
    (+)    = lift2 (P.+)
    (-)    = lift2 (P.-)
+   (*)    = lift2 (P.*)
    abs    = lift1 P.abs
    signum = lift1 P.signum