Hello Are you using c compiler for the pic or assembly ? If You are using assembly language get a c compiler. If u are using c compiler then the problem is solved. -----Original Message----- From: hasan volkan guducu [mailto:e112364@METU.EDU.TR]=20 Sent: Wednesday, February 13, 2002 4:32 PM To: PICLIST@MITVMA.MIT.EDU Subject: solving equations hello everybody , i want to learn how can i solve quadratic equations by using 16f84. i have 4 equations with 4 unknowns . anyone having information, please let me know. thanks. volkan -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.