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 17:54Z

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

∇²ω = 0

46K

∇ × E = −∂B/∂t

468K

iħ ∂ψ/∂t = Ĥψ

det| 7 7 ; 4 8 | = 28

289K

det| 9 4 ; 1 10 | = 86

278K

3r² + 6r + 7 = 0

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

339K

E = mc²

177K

E = mc²

e^{i\pi} + 1 = 0

358K

F = ma

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

∫₀^∞ e^(-t²) dt = √π / 2

316K