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 00:07Z

∑_{k=1}^{n} k = n(n+1)/2

N₂ + 3H₂ ⇌ 2NH₃

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

det| 3 7 ; 2 4 | = -2

144K

ΔS ≥ 0

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

E = mc²

86K

∑_{k=1}^{n} k = n(n+1)/2

224K

6ω² + 4ω + 4 = 0

234K

det| 7 4 ; 4 8 | = 40

218K

det| 10 2 ; 3 11 | = 104

354K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

70K

det| 12 9 ; 5 13 | = 111

402K