| 摘要 |
A design aiding apparatus is provided in which even if some of parts information on a product device are missing, they can be properly supplemented, and in which by using the information on the levels of respective pieces of information, there is substantially no variation in the reliabilities of respective values to be added in numerical calculation, thus making it possible to carry out evaluation with a desired level of reliability. The apparatus calculates values for prescribed information on a prescribed device by using parts information representative of information on parts forming the device, and attribute information representative of attributes of the parts. The apparatus can set the attribute information and accuracy information representative of the level of reliability on the attribute information. Upon calculation of the values, the accuracy information is thus set so that numerical calculation is carried out by using attribute information that satisfies the accuracy information.
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