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 00:54Z

∑_{k=1}^{n} k = n(n+1)/2

N₂ + 3H₂ ⇌ 2NH₃

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

144K

∫₀^∞ e^(-n²) dn = √π / 2

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

det| 4 8 ; 3 5 | = -4

86K

∑_{k=1}^{n} k = n(n+1)/2

224K

6x² + 6x + 1 = 0

234K

det| 7 4 ; 4 8 | = 40

218K

∇²β = 0

354K

∑_{k=1}^{n} k = n(n+1)/2

70K

det| 12 1 ; 5 13 | = 151

402K