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 00:17Z

∑_{k=1}^{n} k = n(n+1)/2

F = G m₁m₂ / r²

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

det| 11 9 ; 0 12 | = 132

144K

6r² + 3r + 1 = 0

371K

∇²t = 0

7γ² + 8γ + 3 = 0

259K

det| 9 4 ; 1 10 | = 86

86K

7z² + 2z + 0 = 0

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

224K

∂z/∂φ = 7z

234K

iħ ∂ψ/∂t = Ĥψ

218K

∂x/∂ψ = 6x

354K

10n² + 6n + 2 = 0

70K

∫₀^∞ e^(-α²) dα = √π / 2

402K