Sum of a series: Difference between revisions

Added J solution.
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(Added J solution.)
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pi pi f* 6e f/ f. \ 1.64493406684823
 
=={{header|J}}==
S=: % @ *: NB. inverse of square of input
+/ S >: i. 1000
1.64393
(*:o.1)%6 NB. pi squared over six, for comparison
1.64493
=={{header|Java}}==
public class Sum{
Anonymous user