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 17:04Z

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

∇ × E = −∂B/∂t

46K

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

468K

iħ ∂ψ/∂t = Ĥψ

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

289K

∂y/∂n = 5y

278K

3r² + 6r + 7 = 0

∑_{k=1}^{n} k = n(n+1)/2

339K

∂α/∂r = 8α

177K

E = mc²

det| 9 4 ; 1 10 | = 86

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

CH₄ + 2O₂ → CO₂ + 2H₂O