Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:58Z
∇ × E = −∂B/∂t
det| 9 4 ; 1 10 | = 86
446K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-x²) dx = √π / 2
144K
det| 4 7 ; 2 5 | = 6
371K
∂x/∂n = 6x
det| 11 9 ; 0 12 | = 132
86K
\lim_{x\to 0} \frac{\sin x}{x} = 1
∑_{k=1}^{n} k = n(n+1)/2
224K