Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:19Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
11K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
67K
det| 2 3 ; 6 3 | = -12
97K
\oint_C \vec{F}\cdot d\vec{r} = 0
276K
\lim_{α\to 0} \frac{\sin α}{α} = 1
346K
\frac{10}{5} \sum_{i=1}^{n} i^{2}
348K