Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
289K
det| 2 9 ; 4 3 | = -30
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\frac{6}{3} \sum_{i=1}^{n} i^{2}
177K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
121K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
det| 7 1 ; 4 8 | = 52
97K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
338K
\lim_{α\to 0} \frac{\sin α}{α} = 1
276K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
346K