When I was at university, I bought about 300€ worth of textbooks. In total, for the whole 5+ years. Math books we used were about 30-40€ each, the IT books mayb

When I was at university, I bought about 300€ worth of textbooks. In total, for the whole 5+ years. Math books we used were about 30-40€ each, the IT books maybe up to 50€. More often than not you didn't need any book at all since the professor put up his lecture notes as PDF or you could just copy it in the library from his handwritten notes (that was back in the early 2000s where the Internet was not quite as it is now)