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 00:15Z

∑_{k=1}^{n} k = n(n+1)/2

ΔS ≥ 0

168K

∫₀^∞ e^(-z²) dz = √π / 2

446K

3x² + 3x + 6 = 0

det| 7 4 ; 4 8 | = 40

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

PV = nRT

259K

∇²ω = 0

86K

7z² + 2z + 0 = 0

7y² + 9y + 1 = 0

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

218K

iħ ∂ψ/∂t = Ĥψ

354K

\lim_{α\to 0} \frac{\sin α}{α} = 1

70K

∇ × E = −∂B/∂t

402K