Number Functions

number number( object)Returns the number representation of the object argument.
number number()Returns the number representation of the context node.
number sum( node-set)Returns the sum of all nodes in the node-set.
number floor( number)Returns the largest integer value not greater than the argument.
number ceiling( number)Returns the smallest integer value not less than the argument.
number round( number)Returns the integer value closest to the argument.