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 06:58Z

det| 3 9 ; 6 4 | = -42

det| 5 6 ; 2 6 | = 18

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

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

144K

∇²θ = 0

371K

2z² + 2z + 5 = 0

9ψ² + 7ψ + 3 = 0

259K

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

86K

iħ ∂ψ/∂t = Ĥψ

det| 9 4 ; 1 10 | = 86

224K

∂ψ/∂β = 3ψ

234K

6r² + 3r + 1 = 0

218K

F = G m₁m₂ / r²

354K