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 17:28Z

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

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

46K

5z² + 8z + 3 = 0

468K

iħ ∂ψ/∂t = Ĥψ

11ψ² + 6ψ + 2 = 0

289K

det| 7 4 ; 4 8 | = 40

278K

3r² + 6r + 7 = 0

∑_{k=1}^{n} k = n(n+1)/2

339K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

177K

E = mc²

Fe₂O₃ + 3CO → 2Fe + 3CO₂

358K

e^{i\pi} + 1 = 0

121K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

399K

N₂ + 3H₂ ⇌ 2NH₃

316K