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 00:15Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

det| 5 6 ; 2 6 | = 18

446K

3x² + 3x + 6 = 0

det| 3 6 ; 0 4 | = 12

144K

12y² + 5y + 7 = 0

371K

∇²t = 0

det| 7 4 ; 4 8 | = 40

259K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

86K

∑_{k=1}^{n} k = n(n+1)/2

224K

7γ² + 8γ + 3 = 0

234K

det| 9 6 ; 0 10 | = 90

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

70K