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 17:23Z

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

1n² + 7n + 3 = 0

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

iħ ∂ψ/∂t = Ĥψ

∂n/∂θ = 3n

289K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

278K

3r² + 6r + 7 = 0

det| 3 7 ; 2 4 | = -2

339K

det| 5 9 ; 7 6 | = -33

177K

E = mc²

\oint_C \vec{F}\cdot d\vec{r} = 0

358K

N₂ + 3H₂ ⇌ 2NH₃

121K

det| 7 4 ; 4 8 | = 40

399K

∂y/∂n = 5y

316K

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

11K

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