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 17:49Z

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

∑_{k=1}^{n} k = n(n+1)/2

46K

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

468K

iħ ∂ψ/∂t = Ĥψ

iħ ∂ψ/∂t = Ĥψ

289K

2H₂ + O₂ → 2H₂O

278K

3r² + 6r + 7 = 0

det| 9 6 ; 7 10 | = 48

339K

8ψ² + 7ψ + 0 = 0

177K

E = mc²

9α² + 7α + 5 = 0

358K

∇ × E = −∂B/∂t

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

1θ² + 2θ + 6 = 0

399K

N₂ + 3H₂ ⇌ 2NH₃

316K

det| 3 6 ; 1 4 | = 6