7 Ring Binder Calculator
Wouldn't it be nice to have a calculator with you right in your binder? The holes on this binder calculator line up perfectly with our small ring binders and also fit most 7 ring organizers including Day Runner (Medium), Day-Timer (Desk), and Franklin-Covey (Classic). Designed for 3 or 7 ring binders that hold 5 1/2 x 8 1/2 inch pages. Very thin design. Does not take up too much room in your binder. Calculator measures 3 x 8.5 x 1/16th inches.