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 07:53Z

∑_{k=1}^{n} k = n(n+1)/2

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

46K

det| 11 9 ; 0 12 | = 132

468K

\frac{6}{1} \sum_{i=1}^{n} i^{2}

∑_{k=1}^{n} k = n(n+1)/2

289K

12y² + 5y + 7 = 0

278K

∂x/∂θ = 8x

iħ ∂ψ/∂t = Ĥψ

339K

9θ² + 7θ + 4 = 0

177K

F = G m₁m₂ / r²

358K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

121K

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

399K

det| 9 4 ; 1 10 | = 86

316K

PV = nRT

11K