Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:21Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\lim_{r\to 0} \frac{\sin r}{r} = 1
46K
∫₀^∞ e^(-t²) dt = √π / 2
468K
ω = 2πf
det| 1 7 ; 1 2 | = -5
\lim_{α\to 0} \frac{\sin α}{α} = 1
339K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
177K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
det| 7 4 ; 4 8 | = 40
316K