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 01:16Z

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

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

46K

det| 7 7 ; 4 8 | = 28

468K

ω = 2πf

6n² + 7n + 6 = 0

289K

∑_{k=1}^{n} k = n(n+1)/2

278K

det| 1 7 ; 1 2 | = -5

det| 9 4 ; 1 10 | = 86

339K

e^{i\pi} + 1 = 0

177K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

PV = nRT

358K

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

121K

d/dn [n^1] = 1n^0

d/dψ [ψ^7] = 7ψ^6

399K