Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-21 00:33Z
det| 3 5 ; 7 4 | = -23
∑_{k=1}^{n} k = n(n+1)/2
430K
det| 3 6 ; 0 4 | = 12
197K
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
281K
\lim_{z\to 0} \frac{\sin z}{z} = 1
\oint_C \vec{F}\cdot d\vec{r} = 0
143K
∑_{k=1}^{n} k = n(n+1)/2
248K
∂γ/∂β = 5γ
det| 5 6 ; 2 6 | = 18
246K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
54K
∇²θ = 0
\frac{8}{6} \sum_{i=1}^{n} i^{2}
126K
8ψ² + 3ψ + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}