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 01:40Z

\lim_{n\to 0} \frac{\sin n}{n} = 1

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

46K

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

468K

ω = 2πf

det| 5 6 ; 2 6 | = 18

289K

8ψ² + 7ψ + 0 = 0

278K

det| 1 7 ; 1 2 | = -5

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

339K

det| 11 4 ; 5 12 | = 112

177K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

8x² + 2x + 7 = 0

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

∇ × E = −∂B/∂t

399K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

316K