WINONA, Minn. – The latest stop of a traveling shoplifter who specializes in hand-held calculators may have been Winona, police said. A security agent at the Target store on the Far East End reported a man walking out with $1,600 worth of calculators. The devices had been removed from their plastic-sealed packaging, the agent said. The report to police was about 10:10 p.m. Target said it has had similar calculator thefts at other stores.