Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-12 12:12Z
1α² + 7α + 4 = 0
det| 9 7 ; 1 10 | = 83
137K
\oint_C \vec{F}\cdot d\vec{r} = 0
57K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
11K
∫₀^∞ e^(-t²) dt = √π / 2
198K
\lim_{t\to 0} \frac{\sin t}{t} = 1
∫₀^∞ e^(-r²) dr = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
14K
∫₀^∞ e^(-φ²) dφ = √π / 2
192K
\oint_C \vec{F}\cdot d\vec{r} = 0
154K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
398K