PROBLEM TO BE SOLVED: To prepare specifications for efficiently performing the coding work of software without imposing any labor on a designer.;SOLUTION: A specification information managing part 104 displays already specified individual function specification information (constituted of a plurality of specification information records) at a display part 103b. Furthermore, the specification information records selected from the specification information records which are being displayed by a designer and the specification information records inputted by an input part 103a are defined as individual function specification information records to be specified. At that time, when the specification information records including the same processing elements as the already specified individual function specification information records exist in the individual function specification information records to be specified, common function specification information records including the processing elements are prepared and stored in a file 102, and the individual function specification information including the processing elements is made to include the common function reference records indicating a common function reference.;COPYRIGHT: (C)2003,JPO
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