PS Statement of purpose is required. GPA Minimum master's GPA of 3.5 on a 4.0 scale, or equivalent, is typically required for admission. Fee $75 non-refundable application fee RL Three letters of recommendation are required from individuals who can best judge the applicant's ability to pursue independent research and complete a doctoral program.(http://www6.njit.edu/admissions/docs/recc.pdf) Transcript Official transcripts from all colleges and universities previously attended are required. You must request an official transcript from your undergraduate institution to be mailed directly to the Office of Graduate Admissions.