Talk:Circle constant
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 | This article was nominated for deletion on 25 February 2026. The result of the discussion was keep. |
half-circle constant
- π is the half-circle constant and 2π is the circle constant (corresponding to one full circle in radians). "Circle constant" should correctly redirect to "tau (mathematics)" and not to "pi". Nicole Sharp (talk) 09:37, 22 February 2026 (UTC)
- I have disambiguated the page to accommodate both definitions. Nicole Sharp (talk) 17:40, 24 February 2026 (UTC)