I once wondered what happens when you take x away from x squared, and let that e... | Hacker News

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		tigerlily 3 months ago \| parent \| context \| favorite \| on: Golden Ratio using an equilateral triangle inscrib... I once wondered what happens when you take x away from x squared, and let that equal 1. I sat down and worked it out. What do you know golden ratio. Oh and this other number, -0.618. Anyone know what it's good for?

x1000 3 months ago | [–]

It’s the negative of the inverse of the golden ratio. (Also 1 minus the golden ratio.) So, good for anything the golden ratio itself is good for.

e9 3 months ago | [–]

0.618 is used as level for trading with fibonacci retracements: https://centerpointsecurities.com/fibonacci-retracements/

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