High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! The Group 5 (or Mathematics and computer science) subjects of the IB Diploma Programme consist of four different mathematics courses and two computer science courses. To earn an IB Diploma, a candidate must pass one of the following four mathematics courses: Mathematical Studies SL (Standard Level), Mathematics SL, Mathematics HL (Higher Level), or Further Mathematics SL. The Group 5 electives are Further Mathematics SL (if taken in addition to Mathematics HL), Computer science SL, and Computer science HL.