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 00:51Z

∑_{k=1}^{n} k = n(n+1)/2

12y² + 5y + 7 = 0

168K

\frac{12}{6} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

λ = h/p

144K

2H₂ + O₂ → 2H₂O

371K

∇²t = 0

CaCO₃ → CaO + CO₂

259K

11φ² + 4φ + 0 = 0

86K

∑_{k=1}^{n} k = n(n+1)/2

224K

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

234K

det| 1 4 ; 3 2 | = -10

218K

ω = 2πf

354K

det| 9 4 ; 1 10 | = 86

70K

det| 7 7 ; 4 8 | = 28

402K