102 ◾ COSMIC Function Points: Theory and Advanced Practices
© 2011 by Taylor & Francis Group, LLC
the calculate activity in the generalized representation is relevant for classication
in IFPUG FPA 4.0. While IFPUG FPA 4.0 ignores the entry of selection criteria,
the read activities are necessary to correctly determine the le types referenced by
this transaction. Although the error message may be output to the user, it is not
considered by the rules for EO. Hence, the distinction of exit and conrm activities
is also relevant for the accurate representation of an EO.
2.1.8.2.3 External Inquiries in IFPUG FPA 4.0
e external inquiry (EQ) transaction class is more complex than the two previously
discussed classes, as it comprises both an i