Is the mathematics exam the biggest hurdle in your studies? As a computer scientist, you need solid mathematical fundamentals to understand algorithms and communicate on equal footing with users from the natural sciences and engineering. This book provides you with the mathematical foundations that all computer scientists need in an understandable way, always with references to computer science: propositional logic, recursion, induction, relations, analysis, probability theory, statistics, and linear algebra. Don't worry: only basic school-level mathematics knowledge is required.