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Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:19Z

∑_{k=1}^{n} k = n(n+1)/2

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

168K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

446K

3x² + 3x + 6 = 0

E = mc²

144K

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

371K

∇²t = 0

8ψ² + 7ψ + 0 = 0

259K

∇²r = 0

86K

7z² + 2z + 0 = 0

∇ × E = −∂B/∂t

224K

∇ × E = −∂B/∂t

234K

det| 4 2 ; 5 5 | = 10

7φ² + 3φ + 6 = 0

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

2H₂ + O₂ → 2H₂O

∑_{k=1}^{n} k = n(n+1)/2

70K

e^{i\pi} + 1 = 0

402K

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

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