Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:24Z
det| 5 1 ; 4 6 | = 26
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 7 4 ; 4 8 | = 40
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∑_{k=1}^{n} k = n(n+1)/2
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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12φ² + 4φ + 4 = 0
\frac{4}{6} \sum_{i=1}^{n} i^{2}
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E = mc²
\oint_C \vec{F}\cdot d\vec{r} = 0
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
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\frac{8}{6} \sum_{i=1}^{n} i^{2}
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\frac{4}{8} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
387K