Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
CaCO₃ → CaO + CO₂
det| 5 8 ; 2 6 | = 14
144K
\oint_C \vec{F}\cdot d\vec{r} = 0
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
97K
∑_{k=1}^{n} k = n(n+1)/2
346K