Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:52Z
∇ × E = −∂B/∂t
\frac{3}{2} \sum_{i=1}^{n} i^{2}
168K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂x/∂n = 6x
\lim_{x\to 0} \frac{\sin x}{x} = 1
\lim_{r\to 0} \frac{\sin r}{r} = 1
224K
\binom{n}{k} = \frac{n!}{k!(n-k)!}