Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 05:53Z
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
468K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
det| 12 4 ; 2 13 | = 148
12r² + 4r + 0 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
∫₀^∞ e^(-β²) dβ = √π / 2
\frac{12}{6} \sum_{i=1}^{n} i^{2}
11K
\lim_{t\to 0} \frac{\sin t}{t} = 1
387K
e^{i\pi} + 1 = 0