Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:13Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
ω = 2πf
det| 5 9 ; 7 6 | = -33
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det| 1 7 ; 1 2 | = -5
det| 9 5 ; 1 10 | = 85
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-x²) dx = √π / 2
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