Complex sentence: In education, Iverson developed "A SHARP APL Minicourse" used to train IPSA clients in the use of APL, and "Applied Mathematics for Programmers" and "Mathematics and Programming", which were used in computer science courses at T.H. Twente.
Split into simpler sentences: In education, Iverson developed "A SHARP APL Minicourse" used to train IPSA clients in the use of APL. He also developed "Applied Mathematics for Programmers" and "Mathematics and Programming", which were used in computer science courses at T.H. Twente.