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 17:49Z

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

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

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

iħ ∂ψ/∂t = Ĥψ

∂n/∂θ = 3n

289K

E = mc²

278K

3r² + 6r + 7 = 0

det| 2 7 ; 7 3 | = -43

339K

9α² + 7α + 5 = 0

177K

E = mc²

\frac{3}{2} \sum_{i=1}^{n} i^{2}

358K

det| 7 4 ; 4 8 | = 40

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

N₂ + 3H₂ ⇌ 2NH₃

399K

∑_{k=1}^{n} k = n(n+1)/2

316K