Classroom Pet-Peeve: Unpreparedness

My biggest pet-peeve is students coming to class without a pencil, or calculator, or notebook (where they keep classroom documents like in progress assignments or usernames and passwords to computer programs). I am still looking for ways to make this a better situation, but here is what I have tried with moderate success so far. Pencils and Calculators: I have tried marking my pencils with colorful duct tape and keeping them in a basket along with some cheapy calculators. Oddly enough, if I put 12 pencils in the bin, they will be gone by the end of the day. I could refill daily and lose all of them daily. I don't do this, I just refill maybe once or twice per marking period and when they are gone, kids need to ask each other for pencils. The cheap calculators however, never get stolen. I have had the same 6 four function calculators for years. I've basically given up on the pencil battle. I tried collecting student ids when they b...