Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 05:57Z
CaCO₃ → CaO + CO₂
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∑_{k=1}^{n} k = n(n+1)/2
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 11 9 ; 0 12 | = 132
339K
\frac{12}{6} \sum_{i=1}^{n} i^{2}
177K
det| 12 4 ; 2 13 | = 148
\frac{4}{6} \sum_{i=1}^{n} i^{2}
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
12r² + 4r + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 9 4 ; 1 10 | = 86
316K
∫₀^∞ e^(-β²) dβ = √π / 2
e^{i\pi} + 1 = 0