Error message

Deprecated function: Optional parameter $js declared before required parameter $element is implicitly treated as a required parameter in include_once() (line 1445 of /var/www/html/mathtube.org/includes/bootstrap.inc).
Deprecated function: Optional parameter $input declared before required parameter $form_state is implicitly treated as a required parameter in include_once() (line 1445 of /var/www/html/mathtube.org/includes/bootstrap.inc).

Steven Evans

Title	Conference	Date
Time and chance happeneth to them all: Mutation, selection and recombination (Video)	Pacific Northwest Probability Seminar	Oct 15, 2011