Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:13Z
4y² + 8y + 1 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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2H₂ + O₂ → 2H₂O
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
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∑_{k=1}^{n} k = n(n+1)/2
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∫₀^∞ e^(-ω²) dω = √π / 2
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 7 1 ; 4 8 | = 52
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det| 12 7 ; 7 13 | = 107
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det| 8 8 ; 6 9 | = 24
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∫₀^∞ e^(-t²) dt = √π / 2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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