Purists may argue that you can't create true eye diagrams by using the eye-scan mode of Agilent's new 68-channel, 300/600-MHz (state), 1.2-GHz (timing)/4-GHz (timing-zoom), deep-memory logic-analysis ...

“We use two and three-set Venn diagrams for working out simple logical puzzles,” Cameron says. “Beyond that, I don’t think anyone but the most hardcore geometer would use a Venn diagram.