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 00:58Z

∑_{k=1}^{n} k = n(n+1)/2

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

168K

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

446K

3x² + 3x + 6 = 0

7r² + 8r + 5 = 0

144K

12y² + 5y + 7 = 0

371K

∇²t = 0

det| 7 4 ; 4 8 | = 40

259K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

86K

∑_{k=1}^{n} k = n(n+1)/2

224K

∇²r = 0

234K

det| 2 3 ; 5 3 | = -9

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

∑_{k=1}^{n} k = n(n+1)/2

70K