Σ index Matrix 17 Matrix 23 Σ#24 Rxn set 20 Eq pack 7 Eq pack 13 Rxn set 2 Ledger /15 Ledger /21 Rxn set 14 Rxn set 8 Batch 16 Eq pack 19 Ledger /9 Eq pack 1

Field Notes / Σ /sym/b26508

id=1 · host=uk.mattivster.me · 2026-10-20 02:03Z

∇²t = 0

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

164K

F = G m₁m₂ / r²

232K

7r² + 4r + 0 = 0

4x² + 5x + 2 = 0

375K

∫₀^∞ e^(-φ²) dφ = √π / 2

47K

∇²β = 0

det| 4 8 ; 3 5 | = -4

165K

∇ × E = −∂B/∂t

372K

\frac{8}{9} \sum_{i=1}^{n} i^{2}

∑_{k=1}^{n} k = n(n+1)/2

430K

det| 7 4 ; 4 8 | = 40

130K

8r² + 8r + 0 = 0

∇ × E = −∂B/∂t

455K

∫₀^∞ e^(-x²) dx = √π / 2

336K

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