Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:13Z
12r² + 6r + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-x²) dx = √π / 2
371K
4t² + 9t + 6 = 0
det| 9 5 ; 1 10 | = 85
86K
∇²ψ = 0
F = ma
det| 2 6 ; 0 3 | = 6
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