--- interpre.hxx.ODFF04	2008-06-23 13:32:49.546875000 +0200
+++ interpre.hxx	2008-07-18 20:44:29.328125000 +0200
@@ -643,7 +643,8 @@
 double taylor(double* pPolynom, USHORT nMax, double x);
 double gauss(double x);
 double gaussinv(double x);
-double GetBetaDist(double x, double alpha, double beta);
+double GetBetaDist(double x, double alpha, double beta); //cumulative distribution function
+double GetBetaDistPDF(double fX, double fA, double fB); //probability density function
 double GetChiDist(double fChi, double fDF);     // for LEGACY.CHIDIST, returns right tail
 double GetChiSqDistCDF(double fX, double fDF);  // for CHISQDIST, returns left tail
 double GetFDist(double x, double fF1, double fF2);
@@ -652,6 +653,8 @@
 double BinomKoeff(double n, double k);
 double GetGamma(double x);
 double GetLogGamma(double x);
+double GetLogBeta(double fAlpha, double fBeta);
+double GetBeta(double fAlpha, double fBeta);
 void ScLogGamma();
 void ScGamma();     // ready for ODF 1.2 GAMMA
 void ScPhi();