Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
2H₂ + O₂ → 2H₂O
\frac{6}{1} \sum_{i=1}^{n} i^{2}
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 5 8 ; 4 6 | = -2
339K
\lim_{z\to 0} \frac{\sin z}{z} = 1
177K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
358K
det| 9 4 ; 1 10 | = 86
121K
CaCO₃ → CaO + CO₂
\frac{5}{6} \sum_{i=1}^{n} i^{2}
399K
det| 1 7 ; 2 2 | = -12
316K
det| 9 8 ; 1 10 | = 82
∑_{k=1}^{n} k = n(n+1)/2
11K
det| 4 3 ; 0 5 | = 20
67K
\oint_C \vec{F}\cdot d\vec{r} = 0
276K