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 00:03Z

∑_{k=1}^{n} k = n(n+1)/2

det| 8 9 ; 4 9 | = 36

168K

∫₀^∞ e^(-z²) dz = √π / 2

446K

3x² + 3x + 6 = 0

det| 7 5 ; 5 8 | = 31

144K

det| 2 5 ; 4 3 | = -14

371K

∇²t = 0

det| 7 6 ; 1 8 | = 50

259K

ω = 2πf

86K

7z² + 2z + 0 = 0

∇²γ = 0

224K

6n² + 7n + 0 = 0

234K

12α² + 6α + 7 = 0

218K

∇ × E = −∂B/∂t

354K

∑_{k=1}^{n} k = n(n+1)/2

70K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

402K