Appeal No. 1999-2076
Application No. 08/597,794
invention requires the electronic spreadsheet system to
automatically track different versions or scenarios, as
specified by a user, and to automatically identify not only
the cells directly changed by the user but also any changing
dependent cells which have changed as a result of cell formula
dependencies. After automatically identifying these changes
to the user’s spreadsheet, the system can highlight these
changes or automatically generate a report summarizing the
changes for one or more scenarios.
Representative independent claim 1 is reproduced as
follows:
1. In an electronic spreadsheet system for modeling
user-specified information in a data model comprising a
plurality of information cells, a method for automatically
tracking different versions of the data model and reporting
differences between versions to a user, the method comprising:
(a) specifying a base set of information cells for the
system to track changes;
(b) creating a new version of the data model by modifying
at least one information cell from the specified base set;
© automatically determining by the system cells of the
data model which have changed by comparing cells in the new
version against corresponding ones in the base set; and
(d) reporting said cells of the data model which have
2–
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