Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:14Z
12r² + 6r + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
446K
∑_{k=1}^{n} k = n(n+1)/2
4t² + 9t + 6 = 0
∇²ψ = 0
det| 7 4 ; 4 8 | = 40
224K
det| 9 6 ; 0 10 | = 90
234K
F = ma
det| 4 8 ; 3 5 | = -4
218K
det| 4 8 ; 7 5 | = -36
\lim_{α\to 0} \frac{\sin α}{α} = 1
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2