Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:25Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
det| 1 7 ; 1 2 | = -5
\frac{4}{6} \sum_{i=1}^{n} i^{2}
339K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
177K
det| 7 4 ; 4 8 | = 40
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
∑_{k=1}^{n} k = n(n+1)/2
316K
det| 4 7 ; 2 5 | = 6
387K