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Drawing Mathematical Equations in RFFlow
With RFFlow you can add mathematical equations to your flow charts and diagrams.
These equations can be associated with a shape, placed on top of a shape, or be a stand-alone equation. Many of the math symbols are included
in the Symbol font. To draw an equation, first click on a shape or on the word "text" in a
stencil. The Edit Text dialog box will appear as shown below.
This is just the normal way you enter text in RFFlow. We will compose an expression that shows that the intersection of set A and set B is a subset of set A. First type "(A " using the Arial font. The intersection symbol is not part of the Arial font, but it is part of the Symbol font. Click the drop-down box for the font name and select the Symbol font. Then click the special character button . The character set for the Symbol font will be displayed as shown below.
Click on the symbol for the intersection of two sets, which is an inverted U and click the Add Character button. Change the font back to Arial and type " B)", change to the Symbol font and add the subset character, and change back to Arial to add the final A. If you don't like switching fonts so often, you can just type the Arial stuff and drag and drop the intersection and subset characters from the Math Symbols Stencil. Then move these characters on top of a box. Either way is fine. The final result is:
The Edit Text dialog box also allows you to select a character and make it a subscript or superscript by clicking the appropriate button.
|Drawing Instructions||If you haven't already done so, first download the
free trial version of RFFlow. It will allow you to open any chart and make
Once RFFlow is installed, you can open the above chart in RFFlow by clicking on math-symbols.flo. From there you can zoom in, edit, and print this sample chart. It is often easier to modify an existing chart than to draw it from scratch.
To draw this flow chart without downloading it, run RFFlow, click on the More Shapes button , scroll and click the Math Symbols stencil and click the Add Stencil button.
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