[-1, -3, '-1'], 'numeric text counts over numbers' => [27, 10, 7, 9, '27', 2], 'TRUE counts as 1' => [1, -3, true], 'FALSE counts as 0' => [0, -3, false], 'non-numeric text is an error' => ['#VALUE!', -3, 'a'], 'empty text is an error' => ['#VALUE!', '', 600000], ];