Sum of a series: Difference between revisions

→‎{{header|Forth}}: added haskell
(→‎{{header|J}}: streamlined, and expanded comment to cover the entire program)
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1 1000 sum f. \ 1.64393456668156
pi pi f* 6e f/ f. \ 1.64493406684823
 
=={{header|Haskell}}==
sum $ map (\x -> 1/(x*x)) [1..1000]
 
=={{header|J}}==
Anonymous user