Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:25Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
iħ ∂ψ/∂t = Ĥψ
\lim_{α\to 0} \frac{\sin α}{α} = 1
289K
∑_{k=1}^{n} k = n(n+1)/2
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3r² + 6r + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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E = mc²
\oint_C \vec{F}\cdot d\vec{r} = 0
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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CH₄ + 2O₂ → CO₂ + 2H₂O
det| 7 8 ; 4 8 | = 24
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det| 5 9 ; 7 6 | = -33
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det| 3 6 ; 1 4 | = 6