Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:18Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\lim_{α\to 0} \frac{\sin α}{α} = 1
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
ω = 2πf
det| 12 1 ; 5 13 | = 151
289K
\lim_{t\to 0} \frac{\sin t}{t} = 1
278K
det| 1 7 ; 1 2 | = -5
det| 1 4 ; 3 2 | = -10
339K
det| 7 4 ; 4 8 | = 40
177K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
121K
d/dn [n^1] = 1n^0
8β² + 8β + 2 = 0
det| 1 7 ; 4 2 | = -26
∂γ/∂ψ = 5γ
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O