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 00:19Z

∑_{k=1}^{n} k = n(n+1)/2

∇²r = 0

168K

∇ × E = −∂B/∂t

446K

3x² + 3x + 6 = 0

det| 5 6 ; 2 6 | = 18

144K

det| 7 4 ; 4 8 | = 40

371K

∇²t = 0

N₂ + 3H₂ ⇌ 2NH₃

259K

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

86K

7z² + 2z + 0 = 0

det| 11 5 ; 0 12 | = 132

224K

∫₀^∞ e^(-n²) dn = √π / 2

234K

∂α/∂r = 8α

218K

∇²t = 0

354K

F = G m₁m₂ / r²

70K