view tmflry/@ @ 9367:1d9cae768f53

<shachaf> learn A is a village in Norway. The BBC invented it by not understanding things on top of letters.
author HackBot
date Thu, 20 Oct 2016 01:18:49 +0000
parents d3c294a55f99
children
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|a+b@| = { √(a²-b²) if a²-b² ≥ 0 ; i√(a²-b²) if a²-b² < 0 }