Calculator Ping-Pong © 1978 Texas Instruments.
A Pong variant played on a programmable calculator. Two players can play against each other or one against the calculator. The ball, represented by a zero will move across the screen through the digits and must be returned when it reaches the player's side of the screen. Acting too soon or too late will result in a loss.
Released in August 1978.
Written by: Richard L. Fried