Almanac & sky · NUMORA
Yarrow Stalk Calculator
Yarrow probabilities from the Great Treatise, with the 1/16 shown in the result.
Open interactive calculatorHow to use
Old yin is the rarest. Moving lines weigh more than in the coin method.
Formula
6:1/16 · 7:5/16 · 8:7/16 · 9:3/16
FAQ
Is this Yarrow Stalk calculator accurate?
The formula and assumptions are shown on the page, and the engine is covered by audit tests. Results are for reference — not financial or medical advice.
Do I need an account?
No. Calculations run in your browser. Recents can stay on this device.
What inputs do I need?
Old yin is the rarest. Moving lines weigh more than in the coin method.
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