Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
det| 1 7 ; 7 2 | = -47
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 7 9 ; 6 8 | = 2
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\frac{5}{8} \sum_{i=1}^{n} i^{2}
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
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∫₀^∞ e^(-ω²) dω = √π / 2
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\frac{9}{3} \sum_{i=1}^{n} i^{2}
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∫₀^∞ e^(-t²) dt = √π / 2
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