Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:26Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
ω = 2πf
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
det| 1 7 ; 1 2 | = -5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
det| 2 8 ; 7 3 | = -50
316K
∑_{k=1}^{n} k = n(n+1)/2
387K