Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 05:55Z
CaCO₃ → CaO + CO₂
det| 7 4 ; 4 8 | = 40
468K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\lim_{t\to 0} \frac{\sin t}{t} = 1
289K
CH₄ + 2O₂ → CO₂ + 2H₂O
278K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
det| 12 4 ; 2 13 | = 148
\oint_C \vec{F}\cdot d\vec{r} = 0
358K
12r² + 4r + 0 = 0
∫₀^∞ e^(-n²) dn = √π / 2
399K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
316K
∫₀^∞ e^(-β²) dβ = √π / 2