If it does, each number from one through nine will control a different direction: eight is up, two is down, four is left and six is right. Seven, nine, one, and three serve as diagonals. Five stands in for left-click, and for right-clicking, hit the "plus" key. You can enable or disable this type of navigational control with (left shift+left alt+number lock). Need the keypad to enter numbers? Number lock will, uh, lock it to entering numbers.