PS The statement of purpose should be 300-500 words concerning your purpose for undertaking or continuing graduate study, your reasons for wanting to study at Purdue, and your research interests, professional plans, and career goals. You also may explain any special circumstances applicable to your background and elaborate on your scholarly publications, awards, achievements, abilities, and/or professional history. GPA Undergraduate Cumulative Grade Point Average (recommended): 3.2/4.0 or equivalent Graduate Cumulative Grade Point Average (recommended): 3.5/4.0 or equivalent 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 Three (3) letters of recommendation are required for degree-seeking applicants Transcript Scan and Upload Your Electronic Transcripts to Your Online Application You must upload to the online application transcripts and/or academic documents for every institution of higher education you attended - regardless of whether or not a degree was received. Your transcripts must be from each college or university you have attended (even if you didn't graduate) and include evidence of the Bachelor's degree awarded, either on your final transcript or a copy of your original diploma (degree certificate). If the documents are not in English, you must upload an English translation certified by the college or university which issued it. The uploaded transcript and/or academic document must be the official version of the document. An official transcript bears the original signature of the registrar and/or the original seal of the issuing institution. An unofficial transcript printed from your current/previous institution's student system is not an acceptable document. 詳情見https://engineering.purdue.edu/IE/academics/graduate/future/transcripts