Did the same for 5 years. The store ds its box and let ds the same card for more stability and protection provided to use size coreless rolls 57 and found not even looking at that calcultarice of reference: these are sold 10 rolls less thick that fit in the receptacle and cheap to buy. Otherwise everything is bulky and not so stable calculator. The calculator includes only VAT + or -, and memory is 12 digits, choice of decimals, prints or not. Adapter was not provided but the calculator is light and the batteries enough. Change the batteries at least slowing, they last long enough. Inking still OK. Not daily use, as needed, sometimes for accounts apothecary in check so sporadic but intensive. Acceptable price: between fifteen and twenty euros.