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 00:12Z

∑_{k=1}^{n} k = n(n+1)/2

11t² + 9t + 7 = 0

168K

5z² + 8z + 3 = 0

446K

3x² + 3x + 6 = 0

10t² + 9t + 5 = 0

144K

det| 9 4 ; 1 10 | = 86

371K

∇²t = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

259K

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

86K

∂z/∂ψ = 1z

224K

\lim_{r\to 0} \frac{\sin r}{r} = 1

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

PV = nRT

354K