Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:24Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 4 ; 3 2 | = -10
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iħ ∂ψ/∂t = Ĥψ
\oint_C \vec{F}\cdot d\vec{r} = 0
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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3r² + 6r + 7 = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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E = mc²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
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det| 7 6 ; 1 8 | = 50
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