80 sheets per notebook Notebooks No. 1-4 5.8” x 8.3” A5 size dot paper College ruled Perforated Works with all Livescribe smartpens When you’re done with a notebook, you’ll need to archive it from your smartpen before you use another notebook with the same index number. For information on archiving, please visit the Tips & Tricks section of our website. A5 size (5.8” x 8.3”) lined dot paper Perforated, college-ruled dot paper Scientific calculator Single Subject Notebooks No. 1-4 Note: Your smartpen can carry up to 4 Single Subject A5 Size Notebooks (No. 1 through 4) at the same time. Please do not use two identically numbered Single Subject A5 Size Notebooks at the same time because the smartpen will recognize any identically numbered Single Subject A5 Size Notebook as the same notebook.