PS Your statement of purpose 300-500 words stating your purpose for undertaking or continuing graduate study, your reasons for wanting to study at Purdue, and your professional plans, career goals, and research interests. You also may explain any irregularities or special circumstances applicable to your background. GPA An undergraduate scholastic index of 3.0 (B) or its equivalent is considered minimal for regular admission. Fee The Graduate School application fee is $60 (U.S. dollars) for domestic applicants and $75 (U.S. dollars) for international applicants. You must pay your application fee online with your credit card. Visa, MasterCard and Discover cards are accepted and processed using a secured online payment system. Your application will not be processed until your nonrefundable application fee has been paid. RL Letters of recommendation from three persons who have had an opportunity to evaluate the applicant's academic and research potential. At least one of the letters should be from a professor in the specific subject or field in which the applicant wishes to major. Transcript You must provide official transcripts and/or academic records at the request of the graduate program or if you are admitted and choose to enroll. An official transcript bears the original signature of the registrar and/or the original seal of the issuing institution. Official documents should be submitted to: Office of Graduate Admissions Purdue University Graduate School 155 South Grant Street, YONG 170 West Lafayette, IN 47907 詳情見(jiàn)https://www.purdue.edu/gradschool/admissions/how/apply-transcripts.html