Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
46K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
d/dn [n^12] = 12n^11
121K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
316K
\frac{5}{3} \sum_{i=1}^{n} i^{2}
11K
det| 4 3 ; 6 5 | = 2
144K
det| 9 2 ; 3 10 | = 84
67K
det| 3 4 ; 6 4 | = -12
97K
\oint_C \vec{F}\cdot d\vec{r} = 0
276K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
396K