Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:20Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
468K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
339K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
177K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
det| 3 6 ; 1 4 | = 6
316K
det| 9 8 ; 1 10 | = 82
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
11K
\frac{10}{5} \sum_{i=1}^{n} i^{2}
387K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
det| 10 1 ; 1 11 | = 109
97K