Abstract: Apparatus for decreasing the circulation of money of small denominations and coins, includes a first input unit for inputting the amount to be paid, connected to a central unit, a second input unit for inputting a rounded amount to be paid connected to the central unit and controlling a rounding unit, a display unit showing a rounded payable sum defined by the rounding unit and a printing unit connected to the central unit. A method and arrangement for drawing lots include an input unit for entering data of participation in the drawing, and a drawing centre including a database of game rules, a game rule interpreting unit, an odds creating unit and a drawing unit connected to a prize indicating unit. The input unit is connected to the drawing centre via a control unit; a game database is connected to the control unit.