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 01:29Z

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

∫₀^∞ e^(-r²) dr = √π / 2

46K

det| 7 4 ; 4 8 | = 40

468K

ω = 2πf

det| 2 6 ; 0 3 | = 6

289K

F = G m₁m₂ / r²

278K

det| 1 7 ; 1 2 | = -5

∑_{k=1}^{n} k = n(n+1)/2

339K

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

177K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

det| 11 9 ; 0 12 | = 132

358K

7r² + 8r + 5 = 0

121K

d/dn [n^1] = 1n^0

det| 7 8 ; 4 8 | = 24

399K

d/dθ [θ^3] = 3θ^2

316K

8β² + 8β + 2 = 0

N₂ + 3H₂ ⇌ 2NH₃

11K

6r² + 3r + 1 = 0

387K

∂γ/∂ψ = 5γ

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