An indexed journal / notebook for coders / programmers. 124 lined pages including 2 for a glossary at the back. All pages are numbered for easier referencing of your notes. Each page allows for a title in the header. 5.5 inches x 8.5 inches - The perfect size to fit into your laptop bag. Keep those all-important notes with you! If you are learning to code, whether you are a beginner or a more advanced programmer, as an experienced software developer (nearly 40 years), I highly recommend using indexed notebooks/journals to keep your notes well structured and easier to reference. Well-structured journals form an extremely valuable resource that you will use time and time again.