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Posted By

iamdezzy on 02/28/11


Tagged

math mathematics sum symbol summation


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Function for Summation

 / Published in: PHP
 

Easy but powerful.

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  1. <?php 
  2. 	function sum($from, $to){
  3. 		if ($from == $to) {
  4. 			return $from;
  5. 		}
  6. 	return $to + sum($from,$to-1);
  7. }
  8.  
  9. echo sum(8,100);
  10. ?>

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