| 摘要 |
PROBLEM TO BE SOLVED: To return an error of reservation information to a previous state through easier operation.SOLUTION: A facility reservation device comprises a computation unit and a storage unit. The storage unit includes a data area and a stack area. The computation unit generates reservation information showing a first reservation state in the data area and when generating reservation information showing a second reservation state in the data area, saves the information showing the first reservation state in the stack area and when acquiring an instruction for return to the reservation information showing the first reservation state, reads out the information showing the first reservation state in the data area from the stack area and then creates reservation information showing the completion of the return and also showing the first reservation state.SELECTED DRAWING: Figure 2 |
