| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To enable a person to realize inexpensive purchase of materials and also purchase a fat and oil raw material even if the person is not skillful in a market analysis. <P>SOLUTION: A price fluctuation predicting part 3 predicts prices at a plurality of points of time in the future, calculates whether the prices at the plurality of points of time in the future have a tendency to an increase or decrease with respect to a price at the predicting point of time on the basis of the predicted prices, and determines whether to order merchandise to be purchased at a prescribed point of time in the future on the basis of the calculated tendency at the plurality of points of time in the future. <P>COPYRIGHT: (C)2003,JPO</p> |
