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 17:26Z

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

d/dt [t^3] = 3t^2

46K

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

468K

iħ ∂ψ/∂t = Ĥψ

∑_{k=1}^{n} k = n(n+1)/2

289K

∇ × E = −∂B/∂t

278K

3r² + 6r + 7 = 0

iħ ∂ψ/∂t = Ĥψ

339K

det| 7 6 ; 1 8 | = 50

177K

8ψ² + 7ψ + 0 = 0

358K

d/dφ [φ^1] = 1φ^0

121K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

399K