Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:35Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-ω²) dω = √π / 2
46K
∫₀^∞ e^(-z²) dz = √π / 2
468K
CaCO₃ → CaO + CO₂
det| 7 4 ; 4 8 | = 40
289K
e^{i\pi} + 1 = 0
det| 9 8 ; 3 10 | = 66
339K
∂x/∂r = 4x
∑_{k=1}^{n} k = n(n+1)/2
387K