In this article, changes in "Mathematics for Informatics" at the Faculty of Organisation and Informatics in the University of Zagreb are described, and correlated with students pass rates. Students at the Faculty work in an interdisciplinary field, studying Informatics within a business context. The main reason for introducing the changes in the curriculum and its delivery, reflecting internal pressures, was the very low student pass rate in mathematics. The second reason, reflecting external pressure, was to address the requirements of the Bologna declaration in higher education in Croatia. The innovations were introduced in the following areas: content, methodology of teaching and learning, examination methods and support for students. The changes resulted in a significant increase in student pass rates and levels of student satisfaction. (Contains 3 tables and 1 figure. Student Survey Results are appended.)