6 Ring Binder Calculator

Super thin design - stores right in your binder
Designed for 6 ring binders that hold 3¾ x 6¾ inch pages
Solar powered. No batteries required!
Clips into most organizers and ring binders
Inch and metric ruler markings along the front sides 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 6 ring organizers including Day Runner (Small), Day-Timer (Portable), and Filofax (Personal). Designed for 6 ring binders that hold 3¾ x 6¾ inch pages. Very thin design. Does not take up too much room in your More »