Sets window options
#IFCLASS !1 _C // To stay on perminantly until
#SET Q$ !1 // Turned off with CLEAR_OPTION.
!A [] $04A |CI!q |CI0 // SET_OPTION NO_CALC // Turn off calculate.
#ELSE
!A [] $04A !1 |CI0 // THIS COMMAND IS FOR INTERNAL USE.
#ENDIF