Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:21Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 5 6 ; 2 6 | = 18
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det| 9 4 ; 1 10 | = 86
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ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
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det| 1 7 ; 1 2 | = -5
det| 6 6 ; 5 7 | = 12
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-α²) dα = √π / 2
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d/dn [n^1] = 1n^0
∑_{k=1}^{n} k = n(n+1)/2
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