Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:18Z
4y² + 8y + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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2H₂ + O₂ → 2H₂O
∫₀^∞ e^(-γ²) dγ = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 8 6 ; 1 9 | = 66
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
\lim_{α\to 0} \frac{\sin α}{α} = 1
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
97K
\oint_C \vec{F}\cdot d\vec{r} = 0
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
276K
∑_{k=1}^{n} k = n(n+1)/2
346K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
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\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
396K