Permutations and combinations
A permutation of r objects from n is the number of ways you can rearrange r objects taken from n into different sequences. The number of permutations grows quickly as n increases.The number of permutations, written nPr, is given by
-mathformula2 not MarkupType-
Fatal error: Uncaught Error: Call to undefined method mathformula2::makeTypeDef() in /var/www/vhosts/ent.storkey.uk/html/inc/reporting2.php:365
Stack trace:
#0 /var/www/vhosts/ent.storkey.uk/html/inc/dynaPage.php(189): echo_value('permsandcombs', 'content', Array)
#1 /var/www/vhosts/ent.storkey.uk/html/inc/dynaPage.php(742): dynaPage->echo_value('content')
#2 /var/www/vhosts/ent.storkey.uk/html/inc/dynaPage.php(179): mainPanel->write('main-panel')
#3 /var/www/vhosts/ent.storkey.uk/html/index.php(21): dynaPage->write()
#4 {main}
thrown in /var/www/vhosts/ent.storkey.uk/html/inc/reporting2.php on line 365