Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 04:06Z
∇²y = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
468K
11γ² + 9γ + 2 = 0
det| 7 7 ; 4 8 | = 28
289K
CH₄ + 2O₂ → CO₂ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
316K