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 20:56Z

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

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

46K

det| 9 5 ; 1 10 | = 85

468K

CaCO₃ → CaO + CO₂

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

289K

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

278K

e^{i\pi} + 1 = 0

det| 5 3 ; 7 6 | = 9

339K

det| 4 2 ; 6 5 | = 8

177K

det| 9 4 ; 1 10 | = 86

358K

∑_{k=1}^{n} k = n(n+1)/2

121K