Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:14Z

∑_{k=1}^{n} k = n(n+1)/2

8ψ² + 7ψ + 0 = 0

168K

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

446K

3x² + 3x + 6 = 0

∫₀^∞ e^(-ψ²) dψ = √π / 2

144K

∇ × E = −∂B/∂t

371K

∇²t = 0

iħ ∂ψ/∂t = Ĥψ

259K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

86K

7z² + 2z + 0 = 0

1n² + 7n + 3 = 0

224K

∇²r = 0

234K

ΔS ≥ 0

218K

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

354K

F = G m₁m₂ / r²

70K

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