System and method of integrating a spreadsheet and external prog

Details System and method of integrating a spreadsheet and external prog System and method of integrating a spreadsheet and external prog

1995-06-22

1999-04-06

Feild, Joseph H.

Data processing: database and file management or data structures

Database design

Data structure types

707503, G06F 1730

Patent

active

058931236

ABSTRACT:
A system and method integrate a spreadsheet and an externally implemented program. The system includes a set of input cells in the spreadsheet, which contain input data for the external program; a set of transmission functions which reference the input cells; and a set of retrieval functions, which reference the transmission functions. A spreadsheet evaluation sequencer, which is part of the spreadsheet program, schedules execution of the transmission functions whenever input data changes, and schedules execution of the retrieval functions after the transmission functions have been executed, thereby effecting a seamless, two-way link between the spreadsheet and external program.

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Gomez, Dick. "The Evolution of EDA Tools: What Does the Future Hold?" Printed Circuit Design: 18-22, Nov. 1994.
Michael J. Miller, "Getting It Together", PC Magazine, p. 110, Feb. 8, 1994 .

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