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 01:03Z

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

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

46K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

468K

ω = 2πf

e^{i\pi} + 1 = 0

289K

det| 7 2 ; 7 8 | = 42

278K

det| 1 7 ; 1 2 | = -5

∑_{k=1}^{n} k = n(n+1)/2

339K

5z² + 8z + 3 = 0

177K

det| 3 7 ; 2 4 | = -2

358K

∂ψ/∂β = 3ψ

121K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

399K

N₂ + 3H₂ ⇌ 2NH₃

316K

det| 7 4 ; 4 8 | = 40

11K