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 00:15Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

det| 9 8 ; 3 10 | = 66

446K

3x² + 3x + 6 = 0

det| 7 4 ; 4 8 | = 40

144K

1θ² + 2θ + 6 = 0

371K

∇²t = 0

det| 5 2 ; 3 6 | = 24

259K

∇²z = 0

86K

e^{i\pi} + 1 = 0

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

11ψ² + 6ψ + 2 = 0

218K

∫₀^∞ e^(-t²) dt = √π / 2

354K

∑_{k=1}^{n} k = n(n+1)/2

70K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

402K