===== Schedule status ======
==== sch( ) ====
Returns the status of the schedule number referenced
Returns 1 if currently in schedule.
Returns 0 if currently out of schedule.
=== Description ===
sch( # )
Returns 1 if "in schedule.
Returns 0 if "out of schedule".
=== Parameters ===
| ''#'' | Schedule # |
=== Return value ===
If "in schedule, returns 1. Else returns 0.
=== Example usage ===
sch(3)
Returns 1.