Almanac & sky · NUMORA

Meihua Yishu Calculator

Upper, lower, moving line, and the changed hexagram. Arithmetic, not prophecy.

How to use

Numbers fold into trigrams. We show the hexagrams; we do not write an oracle essay.

Formula

FAQ

Is this Meihua Yishu 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?

Numbers fold into trigrams. We show the hexagrams; we do not write an oracle essay.

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