Provided is a handeye calibration method by using a projective invariant shape descriptor of a two-dimensional image. The player wins or loses depending on the poker hand ranking of the hand. The set of ports includes a collection of ports of the individual switches. The ticker display displays information in the same direction as the main display and is provided at a position closer to the reading section than the main display. 1% by weight of P, not higher than 0. The rim unit modules of two adjacent macro modules are contrasting with each other to enhance identification of the respective macro module.