Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:39Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
468K
CaCO₃ → CaO + CO₂
det| 11 9 ; 0 12 | = 132
289K
e^{i\pi} + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
339K
det| 7 4 ; 4 8 | = 40
177K
∂x/∂r = 4x
\oint_C \vec{F}\cdot d\vec{r} = 0
358K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-ψ²) dψ = √π / 2
316K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
387K