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 00:59Z

∑_{k=1}^{n} k = n(n+1)/2

∂n/∂θ = 3n

168K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

446K

3x² + 3x + 6 = 0

11z² + 3z + 4 = 0

144K

det| 7 2 ; 7 8 | = 42

371K

∇²t = 0

F = G m₁m₂ / r²

259K

det| 3 6 ; 0 4 | = 12

86K

9θ² + 7θ + 4 = 0

224K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

det| 9 4 ; 1 10 | = 86

354K

iħ ∂ψ/∂t = Ĥψ

70K