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 17:50Z

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

det| 2 6 ; 0 3 | = 6

46K

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

468K

iħ ∂ψ/∂t = Ĥψ

\lim_{r\to 0} \frac{\sin r}{r} = 1

289K

det| 7 2 ; 7 8 | = 42

278K

3r² + 6r + 7 = 0

8ψ² + 7ψ + 0 = 0

339K

10ψ² + 5ψ + 0 = 0

177K

d/dx [x^3] = 3x^2

358K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

121K

det| 3 1 ; 7 4 | = 5

399K

N₂ + 3H₂ ⇌ 2NH₃

316K

iħ ∂ψ/∂t = Ĥψ

11K