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#!N 
#!CSeaGreen #!N  #!Rall611 Documentation #!N 
#!EC #!N #!N When you author a visual program or create 
a macro (a special kind of visual program, discussed in  #!Lcremac,dxall436 h Creating Macros  #!EL  
), you should describe its function using the Comment capability (found 
on the  #!F-adobe-times-bold-r-normal--18*   Edit #!EF menu in the VPE). This Comment 
will be viewable by other users (or yourself) when they run 
your visual program and choose the Help menu item  #!F-adobe-times-bold-r-normal--18*   Application 
Comment #!EF . #!N #!N Another brief kind of documentation is 
available in each module. Double-click a module, and its default name 
is shown in the "Notation" box at the top of the 
module description dialog box. You can add to or change this 
notation. This is particularly helpful in Compute modules to describe the 
meaning of the expression, for example, "square root of pressure per 
cubic inch." And any time you do something "tricky" with a 
module, enter a note to yourself in the Notation box for 
later reference. #!N #!N Compute also offers a useful way to 
document the terms of an expression. Each input to Compute can 
be given a meaningful name (the default names are simply a 
and b). If you like, you can change the input letter 
names to words, like "pressure" and "scale," then use an expression 
like sqrt(pressure / scale) * 0.5. You may add more inputs 
to Compute by simply pressing  #!F-adobe-times-bold-r-normal--18*   Ctrl+A #!EF when you have 
selected the Compute module. #!N #!N You can also add annotation 
text directly to the canvas using the  #!F-adobe-times-bold-r-normal--18*   Add Annotation #!EF 
option of the Edit menu of the VPE (see  #!Lvpeanot,dxall355 h Adding Annotation to a Visual Program  #!EL  ). 
And you can segment your visual program with pages (see  #!Lvpepage,dxall356 h Creating pages in the VPE  #!EL  
). #!N #!N #!N  #!F-adobe-times-medium-i-normal--18*   Next Topic #!EF #!N #!N  #!Lall612,dxall613 h Design for Video Output  #!EL  
#!N  #!F-adobe-times-medium-i-normal--18*   #!N 