U.S. items will be shipped USPS unless noted on the calculator. Contact seller prior to making payment if you need to have us ship with another carrier.Please make payment or arrangements within 3 days, we will combine orders whenever possible on items won within 7 days. Winning U.S. bidder to pay with Paypal, Check, Postal Money order payable in U.S. funds. Non-U.S. Paypal or credit card called in to our store only.