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vksxypants

@mhoye there was a glorious time when the GBP/USD exchange rate was about 1.618 too, and you could do this with UK/US currency conversions.

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vksxypants

@mhoye also 1/1.6 = 0.6 (again from the golden ratio), so 1.6 and 0.6 are the multiples you need for conversion.

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