1. An electronic application for admission
1. A Statement of Purpose and Resume should be submitted with the electronic application.
2. A Fellowship Essay is required for any applicant who graduated from a United States high school and who wishes to be considered for a fellowship.
3. Recommendation letters should be submitted electronically
2. The Graduate School application fee is $60 (U.S. dollars) for domestic applicants and $75 (U.S. dollars) for international applicants.

1. Official GRE scores. Scores must be less than two years old to be official. You must request ETS to send official test scores to Purdue (Institution Code: 1631, Department Code: 0703). The GRE Math Subject Test should also be taken to optimize your chance of admission.
2. Official transcripts from each university attended. International applicants will also need to send certified English translations if the transcripts are not issued in English. Certified copies of diplomas, with English translations, will also need to be submitted if a degree has already been received. The original, official transcripts should be sent in a sealed envelope by the University.
3. Three letters of recommendation written on university letterhead, or submitted electronically (preferred method).

Offical transcripts in sealed envelopes and recommendation letters in sealed envelopes can be sent by the applicant directly to the department at the address given below.