Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 07:50Z
\oint_C \vec{F}\cdot d\vec{r} = 0
∂φ/∂t = 3φ
∑_{k=1}^{n} k = n(n+1)/2
144K
det| 1 4 ; 4 2 | = -14
F = ma
det| 4 7 ; 2 5 | = 6
224K
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
218K
det| 7 9 ; 1 8 | = 47
354K
4γ² + 3γ + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}