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 22:26Z

det| 5 1 ; 4 6 | = 26

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

46K

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

468K

∑_{k=1}^{n} k = n(n+1)/2

PV = nRT

289K

∇ × E = −∂B/∂t

278K

12φ² + 4φ + 4 = 0

∇ × E = −∂B/∂t

339K

F = G m₁m₂ / r²

177K

E = mc²

7y² + 9y + 1 = 0

358K

∇²r = 0

121K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

det| 7 4 ; 4 8 | = 40

399K

∇²t = 0

316K

\frac{4}{8} \sum_{i=1}^{n} i^{2}

det| 4 6 ; 5 5 | = -10