How to check error codes with en

$::error::en returns the error code of the most recent error caught by ea, or 0 if no error has occurred:

      #import $::error::ea
      #import $::error::en
      en 0
0

After catching an error:

      '0' ea '1÷0'
0
      en 0
3

Error code reference

Code	Error
1	SYNTAX ERROR
2	VALUE ERROR
3	DOMAIN ERROR
4	LENGTH ERROR
5	RANK ERROR
6	INDEX ERROR
7	LIMIT ERROR
9	SECURITY ERROR
11	CLASS ERROR

Note

en requires a dummy right argument (any value). Use en 0.

See also: Catch errors, Common errors