Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:19Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
468K
ω = 2πf
Fe₂O₃ + 3CO → 2Fe + 3CO₂
278K
det| 1 7 ; 1 2 | = -5
det| 9 4 ; 1 10 | = 86
177K
det| 10 7 ; 3 11 | = 89
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
det| 3 6 ; 0 4 | = 12
399K