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)!}

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

46K

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

468K

CaCO₃ → CaO + CO₂

∂β/∂z = 1β

289K

∇ × E = −∂B/∂t

278K

e^{i\pi} + 1 = 0

3z² + 5z + 1 = 0

339K

∇²z = 0

177K

∂x/∂r = 4x

\frac{12}{6} \sum_{i=1}^{n} i^{2}

358K

8ψ² + 7ψ + 0 = 0

121K

det| 2 3 ; 5 3 | = -9

399K

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

316K

det| 8 9 ; 4 9 | = 36

11K