<?php return [ [ 5, 120, ], [ 1.8999999999999999, 1, ], [ 0, 1, ], [ -4, '#NUM!', ], [ 1, 1, ], [ 3, 6, ], [ 6, 720, ], [ 10, 3628800, ], [ 3.2000000000000002, 6, ], [ 'ABC', '#VALUE!', ], ];