Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
46K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 11 2 ; 2 12 | = 128
358K
det| 12 7 ; 7 13 | = 107
121K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
316K
det| 1 6 ; 3 2 | = -16
144K
\frac{5}{6} \sum_{i=1}^{n} i^{2}
67K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
97K
CH₄ + 2O₂ → CO₂ + 2H₂O
276K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
346K
∑_{k=1}^{n} k = n(n+1)/2
256K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
396K