Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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2H₂ + O₂ → 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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\oint_C \vec{F}\cdot d\vec{r} = 0
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∫₀^∞ e^(-x²) dx = √π / 2
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det| 11 1 ; 0 12 | = 132
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\frac{11}{4} \sum_{i=1}^{n} i^{2}
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det| 1 1 ; 6 2 | = -4
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\frac{12}{4} \sum_{i=1}^{n} i^{2}
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\lim_{y\to 0} \frac{\sin y}{y} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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