Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
\lim_{β\to 0} \frac{\sin β}{β} = 1
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
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det| 4 1 ; 2 5 | = 18
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iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
det| 9 8 ; 1 10 | = 82
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
67K
\frac{3}{7} \sum_{i=1}^{n} i^{2}
97K
\lim_{α\to 0} \frac{\sin α}{α} = 1
346K