Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 05:54Z
CaCO₃ → CaO + CO₂
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\oint_C \vec{F}\cdot d\vec{r} = 0
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 12 4 ; 2 13 | = 148
∫₀^∞ e^(-θ²) dθ = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
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12r² + 4r + 0 = 0
\frac{8}{7} \sum_{i=1}^{n} i^{2}
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∫₀^∞ e^(-β²) dβ = √π / 2
\frac{3}{2} \sum_{i=1}^{n} i^{2}
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