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 20:19Z

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

det| 5 3 ; 7 6 | = 9

46K

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

468K

CaCO₃ → CaO + CO₂

∇ × E = −∂B/∂t

289K

8ψ² + 7ψ + 0 = 0

278K

e^{i\pi} + 1 = 0

det| 3 7 ; 2 4 | = -2

339K

∂y/∂n = 5y

177K

∂x/∂r = 4x

det| 7 6 ; 1 8 | = 50

358K

CaCO₃ → CaO + CO₂

121K

det| 12 9 ; 5 13 | = 111

399K

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

316K