IBM GX20-1971-0 UM010 Flowcharting Template

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Description
This rectangular clear green plastic template has nineteen symbols relating to flowcharting and structured programming cut out of it. These are explained on the paper sleeve. The template has a nine inch scale, divided to tenths of an inch, across the top, a nine inch scale divided to eighths of an inch across the bottom, a three inch scale divided to twelfths of an inch on the right, and a scale nine centimeters long divided to millimeters on the left. A mark on the right reads: HIPO. Another mark reads: GX20-1971-0 UM/010. Another mark reads: IBM.
HIPO (Hierarchy plus Input Process Output) was a design aid and documentation technique developed by IBM in the 1970s.
Reference:
Edward C. Yourdon, “Users Want too Much from HIPO: Yourdon,” Computerworld, vol. 19, #22, May 31, 1976, p. 24.
Location
Currently not on view
date made
ca 1975
maker
IBM
Physical Description
paper (overall material)
plastic (overall material)
Measurements
overall: .1 cm x 25.2 cm x 11.5 cm; 1/32 in x 9 29/32 in x 4 17/32 in
ID Number
1997.3099.04
nonaccession number
1997.3099
catalog number
1997.3099.04
Credit Line
Gift of Prof. Michael R. Williams
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Flowcharting Templates
Data Source
National Museum of American History, Kenneth E. Behring Center

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