The operating logic may be diagrammed to different levels of completeness of information. Whatever the level of completeness, the diagram communicates functional ... The standard is intended to ...

The popular but older standards: PMC 22.1-1981, Functional Diagramming of Instrument and Control Systems; ISA 5.2-1976, Binary Logic Diagram for Process Operation; and ISO 3511, Graphical Symbols for ...

A new rose has blossomed in the garden of mathematics: a flowery Venn diagram for 11 sets of objects. Venn diagrams use overlapping circles to show all possible relationships between sets.