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 04:14Z

12r² + 6r + 1 = 0

∑_{k=1}^{n} k = n(n+1)/2

168K

8x² + 2x + 7 = 0

446K

∑_{k=1}^{n} k = n(n+1)/2

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

144K

det| 7 2 ; 7 8 | = 42

371K

4t² + 9t + 6 = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

∂y/∂n = 5y

86K

9θ² + 7θ + 4 = 0

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

∇²β = 0

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

det| 7 4 ; 4 8 | = 40

70K