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 00:21Z

∑_{k=1}^{n} k = n(n+1)/2

det| 7 6 ; 1 8 | = 50

168K

\frac{3}{2} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

3z² + 5z + 1 = 0

144K

∇²ω = 0

371K

∇²t = 0

∇ × E = −∂B/∂t

259K

8ψ² + 7ψ + 0 = 0

86K

7z² + 2z + 0 = 0

\lim_{β\to 0} \frac{\sin β}{β} = 1

224K

10ω² + 7ω + 4 = 0

234K

det| 4 2 ; 5 5 | = 10

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

218K

∇ × E = −∂B/∂t

354K

2H₂ + O₂ → 2H₂O

6t² + 6t + 4 = 0

70K

iħ ∂ψ/∂t = Ĥψ