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 00:10Z

∑_{k=1}^{n} k = n(n+1)/2

det| 7 6 ; 1 8 | = 50

168K

∂y/∂n = 5y

446K

3x² + 3x + 6 = 0

∫₀^∞ e^(-r²) dr = √π / 2

144K

12γ² + 9γ + 1 = 0

371K

∇²t = 0

∫₀^∞ e^(-n²) dn = √π / 2

259K

iħ ∂ψ/∂t = Ĥψ

86K

7z² + 2z + 0 = 0

F = G m₁m₂ / r²

224K

6r² + 3r + 1 = 0

234K

det| 4 2 ; 5 5 | = 10

F = G m₁m₂ / r²

218K

∇ × E = −∂B/∂t

354K

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

70K

det| 7 4 ; 4 8 | = 40

402K