Σ index Eq pack 7 Ledger /3 Batch 4 Matrix 17 Matrix 5 Σ#12 Rxn set 8 Matrix 23 Σ#18 Eq pack 1 Rxn set 2 Σ#6

Field Notes / Σ /sym/b26508

id=1 · host=uk.mattivster.me · 2026-10-18 16:40Z

∑_{k=1}^{n} k = n(n+1)/2

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

320K

5r² + 2r + 5 = 0

144K

det| 8 9 ; 3 9 | = 45

F = G m₁m₂ / r²

90K

10t² + 9t + 5 = 0

438K

E = mc²

iħ ∂ψ/∂t = Ĥψ

394K

∇ × E = −∂B/∂t

29K

det| 10 1 ; 6 11 | = 104

d/dα [α^9] = 9α^8

94K

12z² + 1z + 7 = 0

211K

det| 2 6 ; 5 3 | = -24

e^{i\pi} + 1 = 0

390K

∫₀^∞ e^(-φ²) dφ = √π / 2

69K

det| 7 4 ; 4 8 | = 40

144K

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