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 00:52Z

∑_{k=1}^{n} k = n(n+1)/2

N₂ + 3H₂ ⇌ 2NH₃

168K

9α² + 6α + 0 = 0

446K

3x² + 3x + 6 = 0

\lim_{t\to 0} \frac{\sin t}{t} = 1

144K

det| 7 4 ; 4 8 | = 40

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

\frac{12}{6} \sum_{i=1}^{n} i^{2}

86K

det| 7 9 ; 1 8 | = 47

224K

10ψ² + 5ψ + 0 = 0

234K

∂n/∂θ = 3n

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

70K

λ = h/p

402K