Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:16Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\lim_{x\to 0} \frac{\sin x}{x} = 1
46K
ω = 2πf
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
det| 1 7 ; 1 2 | = -5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
177K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
121K
d/dn [n^1] = 1n^0