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SUM.L
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Wrap
Lisp/Scheme
|
1994-10-25
|
218b
|
20 lines
{ Sum of the first n integers - gri 12 Aug 94 }
(setq sum
(lambda (n)
(cond
((<= n 0) 0)
(t (+ n (sum (- n 1))))
)
)
)
{ Examples:
(sum 0)
(sum 10)
(sum 100)
(sum 1000)
(sum 0)
}