This application calculates the cheapest way of buying a season ticket (commuter pass , monthly pass, travel pass) from use days, commuter pass cost, and a normal fare. Loss of using this application is not responsible for us. Please use with the recognition of it.Please confirm the main functions with the free version. However, the free version has the following restrictions. – Purchase period of a commuter pass is limited.- Consideration of one way uses in impossible.- Copy of a result to the clipboard is impossible. – Daily-rate evaluation of commuter pass cost is impossible.- Click of the day of week is impossible.