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Abstract Preview Defines symbols to be used in information processing documentation and gives guidance on conventions tor their use in data flowcharts, program flowcharts, system flowcharts, program network charts, system resources charts. Status : Published. Publication date : When a figure is continued over several pages, it can be useful to repeat the figure designation, followed by the title optional and by " 1 of ", where is the total number of pages on which the figure appears.
In general, the use of subfigures should be avoided whenever possible since it complicates document layout and management. Only one level of subdivision of a figure is permitted. Subfigures shall be identified by a lowercase letter [e. Figure 1 may comprise subfigures a , b , c , …]. Other forms of identification of the subfigures such as 1. The standards listed in Table 9 provide information regarding the creation of graphical content. Graphical symbols for use on equipment — Guidelines for the inclusion of graphical symbols in IEC publications.
Basic principles for graphical symbols for use on equipment — Part 1: Creation of graphical symbols for registration. Design of graphical symbols for use in the technical documentation of products — Part 1: Basic rules.
Geometrical product specifications GPS — Geometrical tolerancing — Tolerances of form, orientation, location and run-out. Information processing — Documentation symbols and conventions for data, program and system flowcharts, program network charts and system resources charts.
Letter symbols used in figures to represent general cases of angular or linear quantities shall be in accordance with ISO Subscripts can be used where necessary to distinguish between different applications of a given symbol.
Various lengths, l, on a drawing should be written with descriptor indices, for example l 1 , l 2 , l 3 , rather than A, B, C, etc. Lettering on technical product documentation shall be in accordance with the ISO series.
Italic letters shall be used for symbols for variable quantities.
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