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)!}

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

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

iħ ∂ψ/∂t = Ĥψ

N₂ + 3H₂ ⇌ 2NH₃

289K

∂ψ/∂β = 3ψ

278K

3r² + 6r + 7 = 0

det| 7 4 ; 4 8 | = 40

339K

7y² + 9y + 1 = 0

177K

4t² + 3t + 3 = 0

358K

∂β/∂z = 1β

121K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

399K

∑_{k=1}^{n} k = n(n+1)/2

316K

det| 2 3 ; 5 3 | = -9

11K