The Theoretical and Computational Physics Expertise Group covers two fields, namely: theoretical physics and computational physics. Discussions held between students and lecturers every week are the activities of this expertise group. The discussion discussed student creativity programs, introduction to programming languages, introduction to student research. The elective courses included in this expertise group are Linear Algebra, Theory of Phase Changes, Introduction to Linux, Introduction to Internet Programming, General Theory of Relativity, Quantum Mechanics, Non-Linear Dynamics, Introduction to Quantum Field Theory.