| 摘要 |
PROBLEM TO BE SOLVED: To provide a scheduled date calculating device improving the repeat rate of a customer, a computer provided with the device and a server computer. SOLUTION: Information on the coming customer is inputted and inputted information on the customer is stored. The issue scheduled date of a direct mail is calculated for each of performing items of cutting, permanent and coloring based on the coming date of the customer. The DM issue scheduled date is deleted or changed in accordance with the number of the intervals of the DM issue scheduled dates and it is stored. A part of or whole information on the customer is outputted in accordance with the stored DM issue schedule date and the direct mail is issued to the respective customers by referring to a part of or whole information on the customer which corresponds to the DM issue schedule date. |
