## ŒFC Format Control

The system variable ŒFC contains six characters used by the primitive format function •. The characters are used as follows:

           Character    Default          Usage
               1          .              Decimal point character
               2          ,              Thousands indicator
               3          *              Fill for blanks
               4          0              Fill  for overflows (the default 0  causes a
                                         DOMAIN ERROR)
               5          _              Print as blank (cannot be ,.0123456789)
               6          ¯              Negative number indicator

For details of the way in which ŒFC is used, see the entries for • (Format by Specification and Format by example).

Topic: APLX Help : Help on APL language : System Functions & Variables : ŒFC Format Control

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