Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:14Z
12r² + 6r + 1 = 0
det| 1 4 ; 3 2 | = -10
168K
∑_{k=1}^{n} k = n(n+1)/2
446K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
144K
4t² + 9t + 6 = 0
∇²ψ = 0
det| 11 5 ; 0 12 | = 132
224K
F = ma
det| 7 6 ; 1 8 | = 50
218K
CaCO₃ → CaO + CO₂
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