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 22:41Z

det| 5 1 ; 4 6 | = 26

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

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

289K

∇²r = 0

278K

12φ² + 4φ + 4 = 0

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

339K

∇²ω = 0

177K

4t² + 3t + 3 = 0

358K

det| 1 4 ; 3 2 | = -10

121K

∫₀^∞ e^(-θ²) dθ = √π / 2

399K

N₂ + 3H₂ ⇌ 2NH₃

316K

∂n/∂θ = 3n

11K