Little did a 23-year-old recent grad of Emerson College know what he got going. A few years earlier, Mark Sackler, who worked at WMMM in Westport, Conn., had used the Baseball Encyclopedia to tally how many runs had been scored in big-league history, just for nerdy fun. When he bought his first calculator in 1974 — "I just had to have it," Sackler recalls now — he revisited the project because he knew the game must be nearing one million runs.