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

∑_{k=1}^{n} k = n(n+1)/2

168K

det| 9 4 ; 1 10 | = 86

446K

3x² + 3x + 6 = 0

∇²θ = 0

144K

CaCO₃ → CaO + CO₂

371K

∇²t = 0

7φ² + 3φ + 6 = 0

259K

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

86K

7z² + 2z + 0 = 0

5φ² + 1φ + 1 = 0

224K

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

234K

det| 4 2 ; 5 5 | = 10

det| 10 3 ; 4 11 | = 98

218K

11φ² + 4φ + 0 = 0

354K

2H₂ + O₂ → 2H₂O

ΔS ≥ 0

70K

∇²z = 0

402K