Hi, I would like to increase the Precision of R by increasing the Number of decimal places in calcultaions. I get about 7 decimal places and would like to have over 15. is the a means to inflence this? Thanks ===== ===================== Sylvie B. Forkusam Eppelheimer Str.52/A2-5-2 69115 Heidelberg, Germany Tel: (0049)-06221/346913 Mobile: 0179-6816276