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 15:49Z

det| 10 1 ; 0 11 | = 110

\lim_{α\to 0} \frac{\sin α}{α} = 1

46K

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

468K

∇ × E = −∂B/∂t

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

289K

det| 9 4 ; 1 10 | = 86

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4z² + 1z + 3 = 0

\oint_C \vec{F}\cdot d\vec{r} = 0

339K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

177K

∑_{k=1}^{n} k = n(n+1)/2

358K

d/dψ [ψ^7] = 7ψ^6

121K