| 摘要 |
<P>PROBLEM TO BE SOLVED: To accurately grasp the number of customers having interest in a commodity. <P>SOLUTION: An operation frequency stored in a nonvolatile memory of a storage device 108 is incremented, in response to predetermined operation (push-down operation) in an operation part 104; price data stored in the nonvolatile memory of the storage device 108 are read out, in response to the predetermined operation (the push-down operation) in the operation part 104; and price display based on this read-out price data are displayed on a display part 103 for a fixed time. <P>COPYRIGHT: (C)2009,JPO&INPIT |
