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 00:12Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

8ψ² + 7ψ + 0 = 0

446K

3x² + 3x + 6 = 0

∇ × E = −∂B/∂t

144K

iħ ∂ψ/∂t = Ĥψ

371K

∇²t = 0

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

259K

∂y/∂γ = 8y

86K

4t² + 3t + 3 = 0

224K

iħ ∂ψ/∂t = Ĥψ

234K

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

218K

\frac{3}{2} \sum_{i=1}^{n} i^{2}

354K

11ψ² + 6ψ + 2 = 0

70K