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 00:07Z

∑_{k=1}^{n} k = n(n+1)/2

AgNO₃ + NaCl → AgCl↓ + NaNO₃

168K

det| 7 4 ; 4 8 | = 40

446K

3x² + 3x + 6 = 0

det| 5 3 ; 7 6 | = 9

144K

∇²θ = 0

371K

∇²t = 0

F = G m₁m₂ / r²

259K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

86K

7z² + 2z + 0 = 0

∇ × E = −∂B/∂t

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

det| 4 2 ; 5 5 | = 10