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 00:17Z

∑_{k=1}^{n} k = n(n+1)/2

8ψ² + 7ψ + 0 = 0

168K

det| 5 6 ; 2 6 | = 18

446K

3x² + 3x + 6 = 0

iħ ∂ψ/∂t = Ĥψ

144K

det| 7 9 ; 1 8 | = 47

371K

∇²t = 0

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

259K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

86K

7z² + 2z + 0 = 0

∇²ω = 0

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

6n² + 7n + 6 = 0

218K