Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:23Z
d/dn [n^4] = 4n^3
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∫₀^∞ e^(-x²) dx = √π / 2
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iħ ∂ψ/∂t = Ĥψ
\lim_{t\to 0} \frac{\sin t}{t} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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