| 摘要 |
<p>A date-coping apparatus comprising specific day storage means stored with the dates of holidays the dates of which are different from year to year and the dates of specific days such as days special to sales, and processing means for executing a processing, for example, finding the prices of commodities in relation to the specific days stored in the specific day storage means according to the dates of the specific days and finding an order period in relation to the specific days so as to correctly and simply make a comparison of the sales results and to alter commodity information even if there are holidays the dates of which are different from year to year or days special to sales. A storage medium stored with a program for allowing such a date-coping apparatus to do a processing is also disclosed.</p> |
