view tmflry/@ @ 10928:6915dd411d87

<oerjan> learn `3 is the crazy sibling of `1, `2, `4 and `5.
author HackBot
date Sat, 20 May 2017 08:09:52 +0000
parents d3c294a55f99
children
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|a+b@| = { √(a²-b²) if a²-b² ≥ 0 ; i√(a²-b²) if a²-b² < 0 }