xny/vendor/phpoffice/phpspreadsheet/tests/data/Calculation/MathTrig/ACOSH.php

<?php

return [
    ['exception', ''],
    ['#VALUE!', '"ABC"'],
    [1.316958, '2'],
    [0, '1'],
    ['#NUM!', '0'],
    ['#NUM!', '-1'],
    ['#NUM!', 'Q15'],
    ['#NUM!', 'false'],
    [0, 'true'],
    [0.96242365, 'A2'],
];