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 07:42Z

∑_{k=1}^{n} k = n(n+1)/2

∇²t = 0

46K

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

468K

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

det| 4 8 ; 3 5 | = -4

289K

det| 7 2 ; 7 8 | = 42

278K

∂x/∂θ = 8x

∑_{k=1}^{n} k = n(n+1)/2

339K

∫₀^∞ e^(-x²) dx = √π / 2

177K

11t² + 6t + 6 = 0

358K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

121K

det| 3 1 ; 7 4 | = 5

399K

N₂ + 3H₂ ⇌ 2NH₃

316K

det| 7 4 ; 4 8 | = 40

11K

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