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 07:43Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

46K

det| 7 4 ; 4 8 | = 40

468K

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

det| 5 9 ; 7 6 | = -33

289K

N₂ + 3H₂ ⇌ 2NH₃

278K

∂x/∂θ = 8x

iħ ∂ψ/∂t = Ĥψ

339K

∑_{k=1}^{n} k = n(n+1)/2

177K

3φ² + 4φ + 2 = 0

F = ma

358K

det| 2 8 ; 7 3 | = -50

121K

ΔS ≥ 0

399K

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

316K

det| 5 3 ; 7 6 | = 9

11K