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 00:05Z

∑_{k=1}^{n} k = n(n+1)/2

∂z/∂ψ = 1z

168K

ΔS ≥ 0

446K

3x² + 3x + 6 = 0

\oint_C \vec{F}\cdot d\vec{r} = 0

144K

∂z/∂φ = 7z

371K

∇²t = 0

det| 12 9 ; 5 13 | = 111

259K

∇ × E = −∂B/∂t

86K

7z² + 2z + 0 = 0

10ψ² + 5ψ + 0 = 0

224K

∂β/∂β = 6β

234K

det| 4 2 ; 5 5 | = 10

8ψ² + 7ψ + 0 = 0

218K

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

354K

2H₂ + O₂ → 2H₂O

7γ² + 8γ + 3 = 0

70K

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

402K