Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 05:55Z
CaCO₃ → CaO + CO₂
\lim_{x\to 0} \frac{\sin x}{x} = 1
46K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
det| 12 4 ; 2 13 | = 148
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
358K
det| 7 4 ; 4 8 | = 40
121K
12r² + 4r + 0 = 0