LS I made a mistake in the new version of math.h Anybody wanting to compile a program using math.h, please remove the inclusion of "prelude.h" -- Groeten; Regards. Henk Robbers. http://members.chello.nl/h.robbers Interactive disassembler: TT-Digger; http://digger.atari.org A Home Cooked C compiler: AHCC; http://ahcc.atari.org