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 00:06Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

∇²γ = 0

144K

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

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

∇²β = 0

86K

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

224K

2γ² + 5γ + 2 = 0

234K

E = mc²

218K

8ψ² + 7ψ + 0 = 0

354K

∂β/∂β = 6β

70K

\lim_{α\to 0} \frac{\sin α}{α} = 1

402K