The Gravis Gamepad is a game controller produced by Advanced Gravis Computer Technology[?] similar to that used by the Sega or
Nintendo game systems. The Gamepad consists of a thumb-operated directional
pad and four buttons. Switches allow left- or right-handed operation and
autofire[?] capability. Compatible with all Amiga models, as well as the Atari ST line.
... who are 65 years of age or older. The median age is 40 years. For every 100 females there are 102.1 males. For every 100 females age 18 and over, there are 100.8 ...