Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 05:54Z
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-θ²) dθ = √π / 2
46K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
468K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\oint_C \vec{F}\cdot d\vec{r} = 0
289K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
det| 12 4 ; 2 13 | = 148
det| 4 8 ; 3 5 | = -4
358K
det| 3 6 ; 0 4 | = 12
121K
det| 9 4 ; 1 10 | = 86
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
316K
∑_{k=1}^{n} k = n(n+1)/2
11K