3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $CognitiveSkillScoreAverage = 120; $CognitiveSkillScoreSTDV = 80; $CognitiveScoreAverage = 800; $CognitiveScoreSTDV = 60; $CScore = 100; $newcog = $CognitiveSkillScoreAverage +=((($CScore - $CognitiveScoreAverage) /$CognitiveScoreSTDV) * $CognitiveSkillScoreSTDV); echo $newcog;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
-813.33333333333