--- sal/inc/rtl/math.h	(revision 1446929)
+++ sal/inc/rtl/math.h	(working copy)
@@ -24,6 +24,8 @@ 
 #if !defined INCLUDED_RTL_MATH_H
 #define INCLUDED_RTL_MATH_H
 
+#define STRICTER_MATH
+
 #include "rtl/ustring.h"
 #include "sal/types.h"
 
@@ -396,6 +398,21 @@ 
  */
 double SAL_CALL rtl_math_pow10Exp(double fValue, int nExp) SAL_THROW_EXTERN_C();
 
+/** Similar to pow() with stricter exception handling for indeterminate values.
+
+    powr is intended to partially mimic the IEEE 754 2008 Floating Point Standard.
+
+    @param fValue
+    The value to be raised.
+
+    @param fExp
+    The exponent.
+
+    @return
+    powr(fValue, fExp)
+ */
+double SAL_CALL rtl_math_powr(double fValue, double fExp) SAL_THROW_EXTERN_C();
+
 /** Rounds value to 15 significant decimal digits.
 
     @param fValue
--- sal/inc/rtl/math.hxx	(revision 1446929)
+++ sal/inc/rtl/math.hxx	(working copy)
@@ -186,6 +186,13 @@ 
     return rtl_math_pow10Exp(fValue, nExp);
 }
 
+/** A wrapper around rtl_math_powr.
+ */
+inline double powr(double fValue, int fExp)
+{
+    return rtl_math_powr(fValue, fExp);
+}
+
 /** A wrapper around rtl_math_approxValue.
  */
 inline double approxValue(double fValue)
--- sal/rtl/source/math.cxx	(revision 1446929)
+++ sal/rtl/source/math.cxx	(working copy)
@@ -1113,7 +1113,22 @@ 
     return (fe-1.0) * fValue / log(fe);
 }
 
+double SAL_CALL rtl_math_powr( double fValue,  double fExp ) SAL_THROW_EXTERN_C()
+{
+#ifdef STRICTER_MATH
+    if ((fValue == 0.0  && fExp == 0.0) ||
+	(rtl::math::isInf( fExp ) && !rtl::math::isSignBitSet( fExp )) ||
+	(rtl::math::isInf( fValue ) && !rtl::math::isSignBitSet( fValue )))
+    {
+        double fResult;
+        ::rtl::math::setNan( &fResult );
+        return fResult;
+    }
+#endif
+    return pow(fValue, fExp);
+}
 
+
 double SAL_CALL rtl_math_log1p( double fValue ) SAL_THROW_EXTERN_C()
 {
     // Use volatile because a compiler may be too smart "optimizing" the
--- sal/util/sal.map	(revision 1446929)
+++ sal/util/sal.map	(working copy)
@@ -629,6 +629,8 @@ 
     global:
         osl_loadAsciiModule;
         osl_loadAsciiModuleRelative;
+
+        rtl_math_powr;
 } UDK_3.11;
 
 PRIVATE_1.0 {
--- sc/source/core/tool/interpr5.cxx	(revision 1446929)
+++ sc/source/core/tool/interpr5.cxx	(working copy)
@@ -1608,15 +1608,19 @@ 
         if (pResMat)
         {
             SCSIZE nCount = nC * nR;
+	    if (pMat->IsValue(0))
+	    	pResMat->PutDouble(1);
+	    else
+	    	pResMat->PutString(ScGlobal::GetRscString(STR_NO_VALUE), 0);
             if (bFlag)
-            {   for ( SCSIZE i = 0; i < nCount; i++ )
+            {   for ( SCSIZE i = 1; i < nCount; i++ )
                     if (pMat->IsValue(i))
                         pResMat->PutDouble(pow(fVal,pMat->GetDouble(i)), i);
                     else
                         pResMat->PutString(ScGlobal::GetRscString(STR_NO_VALUE), i);
             }
             else
-            {   for ( SCSIZE i = 0; i < nCount; i++ )
+            {   for ( SCSIZE i = 1; i < nCount; i++ )
                     if (pMat->IsValue(i))
                         pResMat->PutDouble(pow(pMat->GetDouble(i),fVal), i);
                     else
@@ -1628,7 +1632,7 @@ 
             PushIllegalArgument();
     }
     else
-        PushDouble(pow(fVal1,fVal2));
+        PushDouble(::rtl::math::powr(fVal1,fVal2));
 }
 
 void ScInterpreter::ScSumProduct()