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 20:41Z

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

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

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

CaCO₃ → CaO + CO₂

∇ × E = −∂B/∂t

289K

∂y/∂n = 5y

278K

e^{i\pi} + 1 = 0

det| 2 8 ; 7 3 | = -50

339K

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

177K

∂x/∂r = 4x

det| 9 4 ; 1 10 | = 86

358K

∂ψ/∂β = 3ψ

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

CaCO₃ → CaO + CO₂

316K