Flowcharts (aka flow-charts or flow charts) are schematic representations of processes. The symbols used in flowcharts have become diluted:
ISO standard 9004.4 and 5807 are very simple and use only four symbols:
|Ovals are start/stop points.||Rectangles are activities, processing, etc.||Diamonds are decision points.||Lines and arrows show the flow between the other symbols.|
IBM Flowcharting Templates such as the green plastic IBM X20-8020 have a strong influence on flowcharting symbols. This was actually a combination of standards from ISO, USASI, and IBM. The IBM Flowcharting Templates were designed to work in conjunction with the very cute IBM X20-8020 Flowcharting Worksheets, but the templates and ideas of the templates have been used everywhere. Here is a snapshot from the manual Flowcharting Techniques, White Plains, NY: IBM, 1970 [fh-jena.de/~kleine/history/software/IBM-FlowchartingTechniques-GC20-8152-1.pdf]:
This snapshot of the envelope is also very dense in info:
Other common flowchart symbols include the following:
|Unary Operator||M-ary Operator||Summing Junction||Or Junction|
UML Activity Diagrams. Of the UML diagrams, the Activity Diagrams are the closest thing to traditional flowcharts. UML Activity Diagrams revert back to the simplicity of ISO flowcharts.
(usually in State Diagrams)
(just like decision point)
(just like IBM Parallel Mode)
(usually in Class Diagrams)
Office suites have diagramming apps such as Microsoft Office's Visio, OpenOffice's Draw, and Google Doc's Drawing. OpenOffice has a fair amount of options for connectors. Microsoft Word 2000 (v9) also has these symbols pre-made from the Autoshapes menu of the Drawing toolbar of Microsoft Word 2000 (v9):
Canvas by ACD Systems has the "EasyShape" symbols pre-made as well as connector options.
Inkscape does not have pre-built shapes, but you can export the pre-built shapes from a Google Docs Drawing as .svg.
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