Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:22Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
468K
ω = 2πf
det| 5 9 ; 7 6 | = -33
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
det| 1 7 ; 1 2 | = -5
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
177K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 8 ; 3 10 | = 66
121K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
399K
∑_{k=1}^{n} k = n(n+1)/2
316K
det| 7 4 ; 4 8 | = 40
11K