## 17.2. Predefined Power Syntax Subroutines

CFD-Post provides predefined subroutines that add Power Syntax functionality. You can view a list of these subroutines by entering `!showSubs();` in the Command Editor dialog box. The list is printed to the console window. The list shows all currently loaded subroutines, so it will include any custom subroutines that you have processed in the Command Editor dialog box.

These subroutines provide access to the quantitative functionality of CFD-Post. Most of these routines provide results in a single return value. For example, if the Perl variable `$verbose = 1`, then the result is also printed to the screen. Information on the calculations performed by the subroutines is available. For details, see Function Selection.

The following sections describe these predefined subroutines:

- Power Syntax Subroutine Descriptions

- Power Syntax Usage

- Power Syntax Subroutines

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