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 06:29Z

det| 3 9 ; 6 4 | = -42

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

168K

∇²θ = 0

446K

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

144K

det| 7 4 ; 4 8 | = 40

371K

2z² + 2z + 5 = 0

F = G m₁m₂ / r²

259K

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

86K

iħ ∂ψ/∂t = Ĥψ

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

224K

det| 7 6 ; 1 8 | = 50

234K

N₂ + 3H₂ ⇌ 2NH₃

218K

∇ × E = −∂B/∂t

354K