Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
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\frac{10}{5} \sum_{i=1}^{n} i^{2}
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iħ ∂ψ/∂t = Ĥψ
det| 3 9 ; 1 4 | = 3
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CaCO₃ → CaO + CO₂
det| 10 4 ; 2 11 | = 102
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 9 8 ; 1 10 | = 82
\frac{6}{3} \sum_{i=1}^{n} i^{2}
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∂ω/∂t = 2ω
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
67K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
97K
∫₀^∞ e^(-x²) dx = √π / 2
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