Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:11Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
468K
2H₂ + O₂ → 2H₂O
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
177K
iħ ∂ψ/∂t = Ĥψ
\oint_C \vec{F}\cdot d\vec{r} = 0
358K
\oint_C \vec{F}\cdot d\vec{r} = 0
121K
CaCO₃ → CaO + CO₂
d/dn [n^12] = 12n^11
399K
det| 3 9 ; 1 4 | = 3
316K
det| 9 8 ; 1 10 | = 82
∑_{k=1}^{n} k = n(n+1)/2
387K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
67K
det| 1 4 ; 3 2 | = -10
338K