Calculates the Spat-product, which is defined by (a X b). c, where "X" is the crossorproduct and "." is the dotarproduct It is the same as the determinant of the Matrix, which has this vectors as columns.
retrieves Calculates the Spat-product, which is defined by (a X b). c, where "X" is the vectorproduct and "." is the dotarproduct