This paper presents the effects of curriculum changes for course on Mathematics at Faculty of Information Technologies, University "Dzemal Bijedic", Mostar, BIH. Changes were introduced during Fall Semester 2006/7. They are aiming to improve knowledge deliverance and examination process. Effect of changes was measured by comparing actual results with the results of students from previous generations. The results of the study show significant positive effect of the change in examinations (effect size 2.1789), and of overall curriculum changes (effect size 1.1771) justifying the proposed changes. (Contains 1 figure.)