PS Your Statement of Purpose — a concise one- or two-page essay describing your primary research interests, related experiences and objective in pursuing a Masters in computer science. CV Your resume in PDF format. Fee A non-refundable application fee of $75 is required for one program and $50 for each additional program if submitted and paid by December 1. Between 12:01 p.m. EST on December 1 and 11:59 p.m. on December 15, the application fee increases to $125 for one program and $75 for each additional program. You may pay the fee by credit card. The credit card payment system is part of the online application, and instructions are given when you submit your application. If you do not want to pay by credit card with the online application, you may pay by a check or money order drawn on a U.S. bank, made payable to Carnegie Mellon University. RL Three letters of recommendation, at least two of which are from faculty or recent employers. Transcript A PDF of your most recent transcript from each college and/or university you attended, even if no degree was granted.