Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 05:51Z
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
46K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 12 4 ; 2 13 | = 148
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
12r² + 4r + 0 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
∫₀^∞ e^(-ψ²) dψ = √π / 2
316K
\oint_C \vec{F}\cdot d\vec{r} = 0
387K