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 00:29Z

∑_{k=1}^{n} k = n(n+1)/2

det| 7 8 ; 4 8 | = 24

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

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

144K

1θ² + 2θ + 6 = 0

371K

∇²t = 0

5z² + 8z + 3 = 0

259K

9θ² + 7θ + 4 = 0

86K

det| 7 9 ; 1 8 | = 47

224K

∇ × E = −∂B/∂t

234K

11ψ² + 6ψ + 2 = 0

218K

∫₀^∞ e^(-t²) dt = √π / 2

354K

8ψ² + 7ψ + 0 = 0

70K

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

402K