view tmflry/@ @ 8524:31592107ff03

<oerjan> learn Associativity is when h(th) = (ht)h.
author HackBot
date Sat, 18 Jun 2016 10:53:59 +0000
parents d3c294a55f99
children
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|a+b@| = { √(a²-b²) if a²-b² ≥ 0 ; i√(a²-b²) if a²-b² < 0 }