Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:57Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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ω = 2πf
det| 7 4 ; 4 8 | = 40
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det| 1 7 ; 1 2 | = -5
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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∑_{k=1}^{n} k = n(n+1)/2
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