Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:51Z
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂x/∂n = 6x
det| 9 4 ; 1 10 | = 86
259K
\lim_{x\to 0} \frac{\sin x}{x} = 1
Fe₂O₃ + 3CO → 2Fe + 3CO₂
224K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 4 2 ; 6 5 | = 8
354K