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 00:13Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

168K

det| 10 2 ; 3 11 | = 104

446K

3x² + 3x + 6 = 0

iħ ∂ψ/∂t = Ĥψ

144K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

371K

∇²t = 0

N₂ + 3H₂ ⇌ 2NH₃

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

8θ² + 8θ + 6 = 0

224K

det| 9 4 ; 1 10 | = 86

234K

iħ ∂ψ/∂t = Ĥψ

218K

∫₀^∞ e^(-t²) dt = √π / 2

354K

F = G m₁m₂ / r²

70K

det| 5 3 ; 7 6 | = 9

402K