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 00:12Z

∑_{k=1}^{n} k = n(n+1)/2

det| 4 2 ; 6 5 | = 8

168K

∇²r = 0

446K

3x² + 3x + 6 = 0

2H₂ + O₂ → 2H₂O

144K

det| 11 9 ; 0 12 | = 132

371K

∇²t = 0

F = G m₁m₂ / r²

259K

\oint_C \vec{F}\cdot d\vec{r} = 0

86K

7z² + 2z + 0 = 0

det| 7 4 ; 4 8 | = 40

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

F = G m₁m₂ / r²

354K

∇ × E = −∂B/∂t

70K