Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
\frac{5}{4} \sum_{i=1}^{n} i^{2}
46K
det| 7 2 ; 7 8 | = 42
468K
2H₂ + O₂ → 2H₂O
\frac{10}{5} \sum_{i=1}^{n} i^{2}
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
iħ ∂ψ/∂t = Ĥψ
det| 11 2 ; 2 12 | = 128
121K
CaCO₃ → CaO + CO₂
\lim_{y\to 0} \frac{\sin y}{y} = 1
399K
∑_{k=1}^{n} k = n(n+1)/2
387K
det| 12 4 ; 3 13 | = 144
144K
det| 10 5 ; 6 11 | = 80
67K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
det| 7 4 ; 4 8 | = 40
338K
det| 8 9 ; 5 9 | = 27
346K
\oint_C \vec{F}\cdot d\vec{r} = 0
396K