I tried the '/=' bug test on the following: Pyramid 90x running 4.2/5.0 Unix (cc) - both answers == 3 (passed) SUN 2 running Unix 4.2 release 1.4 (cc) - answers == 3,4 (failed) Hmmmm... Wade Blomgren UCSD Academic Computing Svcs ....!sdcsvax!sdcc12!st94wb ....!sdcsvax!net1!wade