Hi myself, Gosh, you're stupid... :o) Ok, I didn't take a look into the StringBuffer.java before I answered: ____SNIP____ public StringBuffer append (double aDouble){ return append ("<no str+double>"); } ____SNIP____ Then, I won't delete my own (...) (23 years ago, 20-Sep-01, to lugnet.robotics.rcx.java)