Index: pol-core/pol/module/mathmod.cpp
===================================================================
--- pol-core/pol/module/mathmod.cpp	(revision 625)
+++ pol-core/pol/module/mathmod.cpp	(working copy)
@@ -360,9 +360,10 @@
     if (getRealParam( 0, x ) &&
         getParam( 1, digits ))
     {
-        char buffer[ 200 ];
-		sprintf( buffer, "%.*g", static_cast<int>(digits), x);
-		return new String( buffer );
+		std::stringstream result;
+		result << std::setprecision(digits) << std::fixed;
+		result << x;
+		return new String( result.str() );	
     }
     else
     {