Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

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That's right, we must know the glossary first.
It's fast to code in it only when you have a certain proficiency with it. Otherwise it takes a lot of time looking at the glossary for each individual character. I am guessing you've been using J for a while then?
Hi anonimnystefy,
Hi gAr
Hi, Code:samp =: 100000 (+/%#)((((?samp$0)(?samp$0))^2)+((?samp$0)(?samp$0))^2)^%2 A result I got ≈ 0.520588
Hi Agnishom;
Could you please enlighten us with the analytical solution?
Hi; 