Comment by bloak
3 months ago
I don't know the history of it but I noticed that the currency of the Netherlands, before they switched to the euro, consistently used quarters:
Coins: 0.05, 0.10, 0.25, 1, 2.5, 5 Bank notes: 10, 25, 50, 100, 250
OK, there seems to be a gap there, but no coin or bank note is worth 2 * 10^X.
https://en.wikipedia.org/wiki/Dutch_guilder
Is there another currency that consistently prefers 2.5 * 10^X to 2 * 10^X?
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