| 摘要 |
<p>PROBLEM TO BE SOLVED: To overcome the problem such that a program needs to be corrected when a calculating method is changed and the correcting operation is troublesome. SOLUTION: An application rule wherein processing for automatically calculating another service code is defined is registered in an application rule table and a service code which can be calculated and the application rule are related and registered in a service code table, when the calculation or deletion of a service code displayed on a screen is indicated, the application rule relating to the service code is read out and applied to automatically calculate the other service code.</p> |
