It is required to develop a mobile application for iOS - a task calendar. 1) order addition - synchronization with all connected devices. (Administrator - adds orders, user - can only change status.) (2) acceptance, processing, order execution - assignment of order status. (The content of the order is the price, from where, where.) 3) unloading to Excel (date format, where from, where, price) (4) finalization of the functional annex.