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diff --git a/kpovmodeler/pmpolynomexponents.h b/kpovmodeler/pmpolynomexponents.h
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+++ b/kpovmodeler/pmpolynomexponents.h
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+//-*-C++-*-
+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2002 by Andreas Zehender
+    email                : zehender@kde.org
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  This program is free software; you can redistribute it and/or modify  *
+*  it under the terms of the GNU General Public License as published by  *
+*  the Free Software Foundation; either version 2 of the License, or     *
+*  (at your option) any later version.                                   *
+*                                                                        *
+**************************************************************************/
+
+
+#ifndef PMPOLYNOMEXPONENTS_H
+#define PMPOLYNOMEXPONENTS_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <qptrlist.h>
+#include <qvaluelist.h>
+
+/**
+ * Helper class for the @ref PMPolynomBaseEdit widget
+ */
+class PMPolynomExponents
+{
+public:
+   /**
+    * All exponents are initialized with 0
+    */
+   PMPolynomExponents( )
+   {
+      m_exponents[0] = m_exponents[1] = m_exponents[2] = 0;
+   }
+   /**
+    * The exponents are initialized with x, y, z
+    */
+   PMPolynomExponents( int x, int y, int z )
+   {
+      m_exponents[0] = x;
+      m_exponents[1] = y;
+      m_exponents[2] = z;
+   }
+
+   /**
+    * Returns the ith exponent
+    */
+   int exponent( int i ) const { return m_exponents[i]; }
+   /**
+    * Sets the ith exponent
+    */
+   void setExponent( int i, int exp ) { m_exponents[i] = exp; }
+
+   /**
+    * Returns the x exponent
+    */
+   int xExponent( ) const { return m_exponents[0]; }
+   /**
+    * Sets the x exponent
+    */
+   void setXExponent( int exp ) { m_exponents[0] = exp; }
+   /**
+    * Returns the y exponent
+    */
+   int yExponent( ) const { return m_exponents[1]; }
+   /**
+    * Sets the y exponent
+    */
+   void setYExponent( int exp ) { m_exponents[1] = exp; }
+   /**
+    * Returns the z exponent
+    */
+   int zExponent( ) const { return m_exponents[2]; }
+   /**
+    * Sets the z exponent
+    */
+   void setZExponent( int exp ) { m_exponents[2] = exp; }
+
+   bool operator== ( const PMPolynomExponents& e ) const
+   {
+      return ( m_exponents[0] == e.m_exponents[0] ) &&
+             ( m_exponents[1] == e.m_exponents[1] ) &&
+             ( m_exponents[2] == e.m_exponents[2] );
+   }
+   bool operator!= ( const PMPolynomExponents& e ) const
+   {
+      return !( *this == e );
+   }
+   PMPolynomExponents& operator= ( const PMPolynomExponents& p )
+   {
+      m_exponents[0] = p.m_exponents[0];
+      m_exponents[1] = p.m_exponents[1];
+      m_exponents[2] = p.m_exponents[2];
+      return *this;
+   }
+   friend PMPolynomExponents operator+ ( const PMPolynomExponents& p1,
+                                         const PMPolynomExponents& p2 );
+
+   /**
+    * Returns the sum of the exponents
+    */
+   int sum( ) const { return m_exponents[0] + m_exponents[1] + m_exponents[2]; }
+
+private:
+   int m_exponents[3];
+
+   // static stuff
+public:
+   /**
+    * Returns the exponents for a polynom with order n ( 2 <= n <= 7 )
+    */
+   static QValueList<PMPolynomExponents>& polynom( int n );
+   
+private:
+   static QValueList<PMPolynomExponents> //...
+   recPolynom( const PMPolynomExponents& base, int xyz, int n, int rem );
+   static bool m_created[6];
+   static QValueList<PMPolynomExponents> m_lists[6];
+};
+
+#endif