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 00:29Z

∑_{k=1}^{n} k = n(n+1)/2

det| 7 4 ; 4 8 | = 40

168K

9α² + 6α + 0 = 0

446K

3x² + 3x + 6 = 0

∇ × E = −∂B/∂t

144K

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

371K

∇²t = 0

10ω² + 7ω + 4 = 0

259K

∇²β = 0

86K

5φ² + 1φ + 1 = 0

224K

iħ ∂ψ/∂t = Ĥψ

234K

F = G m₁m₂ / r²

218K

\lim_{α\to 0} \frac{\sin α}{α} = 1

354K

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

70K