3v4l.org

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<?php $notes = array(1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6); foreach ($notes as $note) { echo '(3.5 + '.$note.') / 2 = '.round((3.5 / $note) / 2, 2); }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
(3.5 + 1) / 2 = 1.75(3.5 + 1.5) / 2 = 1.17(3.5 + 2) / 2 = 0.88(3.5 + 2.5) / 2 = 0.7(3.5 + 3) / 2 = 0.58(3.5 + 3.5) / 2 = 0.5(3.5 + 4) / 2 = 0.44(3.5 + 4.5) / 2 = 0.39(3.5 + 5) / 2 = 0.35(3.5 + 5.5) / 2 = 0.32(3.5 + 6) / 2 = 0.29
preferences:
290.46 ms | 406 KiB | 446 Q