Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 17:27Z

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

∑_{k=1}^{n} k = n(n+1)/2

46K

det| 12 9 ; 5 13 | = 111

468K

iħ ∂ψ/∂t = Ĥψ

∇²θ = 0

289K

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

278K

3r² + 6r + 7 = 0

∂z/∂ψ = 1z

339K

9θ² + 7θ + 4 = 0

177K

E = mc²

Fe₂O₃ + 3CO → 2Fe + 3CO₂

358K

det| 7 4 ; 4 8 | = 40

121K

N₂ + 3H₂ ⇌ 2NH₃

399K