Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-04 01:13Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-α²) dα = √π / 2
261K
∇²θ = 0
∑_{k=1}^{n} k = n(n+1)/2
135K
e^{i\pi} + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
281K
∑_{k=1}^{n} k = n(n+1)/2
4K
iħ ∂ψ/∂t = Ĥψ
det| 8 5 ; 0 9 | = 72
145K
N₂ + 3H₂ ⇌ 2NH₃
\frac{7}{7} \sum_{i=1}^{n} i^{2}
201K
det| 6 3 ; 5 7 | = 27
316K
∫₀^∞ e^(-ω²) dω = √π / 2
174K
\oint_C \vec{F}\cdot d\vec{r} = 0
130K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
375K