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 06:47Z

det| 3 9 ; 6 4 | = -42

∑_{k=1}^{n} k = n(n+1)/2

168K

\lim_{α\to 0} \frac{\sin α}{α} = 1

446K

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

144K

det| 11 5 ; 0 12 | = 132

371K

2z² + 2z + 5 = 0

N₂ + 3H₂ ⇌ 2NH₃

259K

∫₀^∞ e^(-θ²) dθ = √π / 2

86K

iħ ∂ψ/∂t = Ĥψ

8x² + 2x + 7 = 0

224K

det| 7 4 ; 4 8 | = 40

234K

∫₀^∞ e^(-t²) dt = √π / 2

2H₂ + O₂ → 2H₂O