Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:13Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
det| 1 7 ; 7 2 | = -47
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 12 3 ; 7 13 | = 135
339K
det| 9 7 ; 1 10 | = 83
177K
iħ ∂ψ/∂t = Ĥψ
det| 6 8 ; 1 7 | = 34
358K
CaCO₃ → CaO + CO₂
det| 9 8 ; 1 10 | = 82
∂ω/∂t = 2ω
\frac{10}{5} \sum_{i=1}^{n} i^{2}
144K
det| 7 4 ; 4 8 | = 40
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
97K
\oint_C \vec{F}\cdot d\vec{r} = 0
338K
\lim_{y\to 0} \frac{\sin y}{y} = 1
346K