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 06:30Z

det| 3 9 ; 6 4 | = -42

∑_{k=1}^{n} k = n(n+1)/2

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

det| 7 4 ; 4 8 | = 40

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

2z² + 2z + 5 = 0

∂y/∂γ = 8y

259K

\frac{3}{2} \sum_{i=1}^{n} i^{2}

86K

iħ ∂ψ/∂t = Ĥψ

∇²ω = 0

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

2γ² + 5γ + 2 = 0

218K