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 17:02Z

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

det| 3 6 ; 0 4 | = 12

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

iħ ∂ψ/∂t = Ĥψ

∇²z = 0

289K

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

278K

3r² + 6r + 7 = 0

PV = nRT

339K

∇ × E = −∂B/∂t

177K

E = mc²

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

358K

det| 7 9 ; 1 8 | = 47

121K

8ψ² + 7ψ + 0 = 0

399K

∫₀^∞ e^(-θ²) dθ = √π / 2

316K