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 01:32Z

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

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

46K

det| 5 2 ; 3 6 | = 24

468K

ω = 2πf

∑_{k=1}^{n} k = n(n+1)/2

289K

e^{i\pi} + 1 = 0

278K

det| 1 7 ; 1 2 | = -5

det| 9 4 ; 1 10 | = 86

339K

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

177K

2n² + 4n + 0 = 0

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

det| 2 7 ; 7 3 | = -43

399K