Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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2H₂ + O₂ → 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
d/dt [t^12] = 12t^11
339K
det| 12 7 ; 7 13 | = 107
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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det| 5 4 ; 5 6 | = 10
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\frac{7}{7} \sum_{i=1}^{n} i^{2}
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\frac{6}{3} \sum_{i=1}^{n} i^{2}
338K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K