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 04:17Z

12r² + 6r + 1 = 0

ω = 2πf

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

12y² + 5y + 7 = 0

144K

det| 2 3 ; 5 3 | = -9

371K

4t² + 9t + 6 = 0

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

259K

d/dt [t^3] = 3t^2

86K

∇²ψ = 0

∇²z = 0

224K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

234K

F = ma

PV = nRT

218K

∫₀^∞ e^(-ψ²) dψ = √π / 2

354K

det| 9 4 ; 1 10 | = 86

70K

∇ × E = −∂B/∂t

402K