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 00:02Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

det| 9 5 ; 1 10 | = 85

446K

3x² + 3x + 6 = 0

N₂ + 3H₂ ⇌ 2NH₃

144K

det| 7 4 ; 4 8 | = 40

371K

∇²t = 0

∇²γ = 0

259K

11t² + 9t + 7 = 0

86K

N₂ + 3H₂ ⇌ 2NH₃

224K

∑_{k=1}^{n} k = n(n+1)/2

234K