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Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:15Z

∑_{k=1}^{n} k = n(n+1)/2

F = G m₁m₂ / r²

168K

\frac{12}{6} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

det| 7 4 ; 4 8 | = 40

144K

e^{i\pi} + 1 = 0

371K

∇²t = 0

2H₂ + O₂ → 2H₂O

259K

\lim_{α\to 0} \frac{\sin α}{α} = 1

86K

7z² + 2z + 0 = 0

∇²ω = 0

224K

∇ × E = −∂B/∂t

234K

∫₀^∞ e^(-x²) dx = √π / 2

218K