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Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:50Z

∑_{k=1}^{n} k = n(n+1)/2

\lim_{x\to 0} \frac{\sin x}{x} = 1

168K

8ψ² + 7ψ + 0 = 0

446K

3x² + 3x + 6 = 0

det| 2 8 ; 7 3 | = -50

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

\lim_{t\to 0} \frac{\sin t}{t} = 1

259K

∫₀^∞ e^(-x²) dx = √π / 2

86K

7z² + 2z + 0 = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

224K

d/dt [t^3] = 3t^2

234K

det| 4 2 ; 5 5 | = 10

∇ × E = −∂B/∂t

218K

∂γ/∂θ = 2γ

354K