This CamiApp twin-ring notebook contains A6-sized graph paper printed with a light 5 mm x 5 mm grid. The sheets are microperforated for easy removal. (They should not be removed before photographing for electronic storage.)
About CamiApp --- If you enjoy writing or drawing your ideas on paper but want the convenience of accessing and organizing them on your portable device, behold Kokuyo's CamiApp system of electronic storage. With this sytem, jot your notes by hand in a CamiApp notepad or notebook, mark the special square ("action marker") on each page to indicate a tag (similar to a label or folder) to apply to the notes, then photograph the notes with your smartphone. The free CamiApp app automatically straightens the image and applies the tag you indicated. When you need to find that brilliant idea you scribbled down a month ago, just search for the appropriate tag and skip flipping through your entire notebook. You can also mark up your notes electronically, plus back them up and make them accessible anywhere by uploading them to cloud storage services such as Google Drive and Dropbox. Sharing with others is easy as well. CamiApp is available for iPhones and Android phones.