.h0 "\n+a Novelties" .in0 .sp Source code for game-playing programs is not distributed. .nr b 0 1 .sh CHESS This chess-playing program scored 1-2-1 and 3-0-1 in the 1973 and 1974 Computer Chess Championships. .sh CAL Print a calendar of specified month and year. .sh UNITS Convert amounts between different scales of measurement. Knows hundreds of units. For example, how many km/sec is a parsec/megayear? .sh QUIZ Test your knowledge of Shakespeare, Presidents, capitals, etc.