The min command returns the smallest value among the passed arguments.

$\mathrm{MapleTA}:-\mathrm{Builtin}:-\min \left(3\,5\,7\,4.8\,-1\right)$

$\mathrm{-1}$

The MapleTA[Builtin][min] command was introduced in Maple 18.

For more information on Maple 18 changes, see Updates in Maple 18.