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 00:28Z

∑_{k=1}^{n} k = n(n+1)/2

N₂ + 3H₂ ⇌ 2NH₃

168K

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

446K

3x² + 3x + 6 = 0

det| 9 5 ; 1 10 | = 85

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

det| 12 1 ; 5 13 | = 151

86K

7z² + 2z + 0 = 0

det| 7 4 ; 4 8 | = 40

224K

iħ ∂ψ/∂t = Ĥψ

234K

7y² + 9y + 1 = 0

218K

11t² + 9t + 7 = 0

354K

\frac{8}{7} \sum_{i=1}^{n} i^{2}

70K