I threw the opening pitch at a Blue Jays game, and after the pitch, the mascot asked me if I wanted him to sign the game ball, which I thought was funny. What would he write? "Best Wishes, Some Guy in a Bird Suit"?"
The dot was introduced as a symbol for multiplication by Leibniz. On July 29, 1698, he wrote in a letter to Johann Bernoulli: "I do not like X as a symbol for multiplication, as it is easily confounded with x.