LETTER 1 filename1.txt Room 4561 October 29, 2005 Mr. Dean M. Freed Vice President and General Counsel Mentor Graphics Corporation 8005 SW Boeckman Road Wilsonville, Oregon 97070 Re: Mentor Graphics Corporation Form 8-K Dated July 29, 2005 Filed July 29, 2005 File No. 0-13442 Dear Mr. Freed, We have completed our review of your Form 8-K and do not, at this time, have any further comments. Very truly yours, Brad Skinner Accounting Branch Chief ?? ?? ?? ?? Global Payment Technologies, Inc. May 2, 2005 Page 1 of 1