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

12θ² + 2θ + 6 = 0

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

\lim_{α\to 0} \frac{\sin α}{α} = 1

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

11ψ² + 6ψ + 2 = 0

259K

E = mc²

86K

det| 7 9 ; 1 8 | = 47

224K

CH₄ + 2O₂ → CO₂ + 2H₂O

234K

F = ma

218K

det| 9 4 ; 1 10 | = 86

354K

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

70K

iħ ∂ψ/∂t = Ĥψ

402K