Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit Yes it was giving the answer in radians--- Thanks for quick reply guys--- I knew it was easy( must be Monday ). If you want to get allot of out of office replies, today's the day. Happy New Year for those who are "Team Players" and came in on Monday ! :-) Only kidding Thanks, Rich -----Original Message----- From: Rich Peyton [mailto:p2rich@xxxxxxxxxxxxx] Sent: Monday, December 31, 2001 9:41 AM To: 'si-list@xxxxxxxxxxxxx' Subject: Equation Any help? Problem: I want to insert a formula into excel Using Calculator: XL & R = 2 Tan^ -1(XL / R ) = 45 Deg. Tan^-1 = ARC TAN Know if I try to put it into excel, I use: ATAN( XL / R ) =.785 I'm not getting my 45 Deg? Can someone tell me what I'm doing wrong? Thanks Rich ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu