UC Berkeley commencement: Apple co-founder Steve Wozniak gives graduates a happiness equation - SiliconValley.com: "Apple-co-founder Steve Wozniak sent UC Berkeley graduates into the world Saturday with a freewheeling and informal commencement speech -- and two mathematical formulas a fifth-grader could understand: 1) Happiness equals S minus F (smiles minus frowns). 2) Happiness equals F cubed -- food, fun and friends. "I said this once at my high school, and the kids started laughing," he added. "I had to admit there might be a fourth 'F.'" The man who launched the personal computer industry told the 3,900 students seated on the field of Memorial Stadium that they should strive for fulfillment, not money . . . ."