Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:53Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
46K
CaCO₃ → CaO + CO₂
det| 9 4 ; 1 10 | = 86
278K
e^{i\pi} + 1 = 0
det| 10 7 ; 3 11 | = 89
339K
\lim_{α\to 0} \frac{\sin α}{α} = 1
177K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-ψ²) dψ = √π / 2
399K
det| 5 3 ; 7 6 | = 9
316K
det| 12 4 ; 4 13 | = 140
det| 12 2 ; 2 13 | = 152
387K
∑_{k=1}^{n} k = n(n+1)/2
N₂ + 3H₂ ⇌ 2NH₃