Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:03Z
12r² + 6r + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
168K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
144K
∑_{k=1}^{n} k = n(n+1)/2
371K
4t² + 9t + 6 = 0
det| 11 5 ; 0 12 | = 132
86K
∇²ψ = 0
F = ma
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