Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:14Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
\frac{10}{8} \sum_{i=1}^{n} i^{2}
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 7 3 ; 6 8 | = 38
339K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
358K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
387K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
144K
det| 10 4 ; 2 11 | = 102
97K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
∫₀^∞ e^(-x²) dx = √π / 2
346K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
256K
d/dn [n^12] = 12n^11
348K