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Calculated Attribute Considerations and Limitations

The decision to use a calculated attribute, and then the steps to create it to perform as expected, should include a consideration of the following topics:

• Deciding to Use a Calculated Attribute here
• Setting up a Calculated Attribute here
• Using Variables in a Calculated Attribute here
• Optimizing Calculations using STEPXML here
• Limit Performance Penalties for Calculations here

Limitations

The following limitations exist because calculated attribute values are generated on-the-fly:

• Searching for the value of a calculated attribute is not possible since generating all possible calculations would cause substantial performance issues.
• Depending on the calculation formula, the revision history of an object does not necessarily display the calculated attribute value that was in effect at the time of the revision.

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