key·pad /ˈkiˌpæd/
  輔助鍵盤,數字小鍵盤
  keypad
  袖珍鍵盤; 鍵板
  keypad
  小鍵盤
  keypad
       n : a keyboard that is a data input device for computers;
           arrangement of keys is modelled after the typewriter
           keyboard [syn: computer keyboard]