Answer Posted / muttaiah

The default is 18..which means the compiler option will be
Arith(compat)..
If you change the compiler option to Arith(extend) you can
use max 31 digits..
This is one of the famous interview question now a days.
Say i want to declare a variable with PIC 9(20) is it
possible?
People who doesn't know Arith(extend) compiler option they
will say it's not possible to declare a variable with PIC 9
(20) keeping 18 digits in mind. This is how it is.

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