Science and engineering students typically have the most expensive books, with their editions tending to be updated frequently and having supplemental materials like CD-ROMs. Some of my books are expensive, ... I usually get book vouchers from my loans and use that money to buy books from the bookstore.
Quotes about cd-roms (2 Quotes)
With all the maps on one DVD, it's a very simple process which takes seconds rather than fiddling about with multiple CD-ROMs which hold less data. And, while we provide a 256MB card out of the box, if you install a larger 1 GB memory card for example, you could have maps for four or five countries on your phone.