It's time to vote for the Guardian Foundation Repair boys athlete of the week for ... Trey Vann, Jellico: Vann had 41 points, eight rebounds, three assists and three steals in a 90-55 win over ...

The first calculator watch was also gold and went for almost $4,000. Soon, though, they brought out a stainless and a gold-filled version that came in at under $500. The HP-01 (photo: [Stanlkocher ...

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They haven’t been produced in decades, but [Chris Chung] has used some open source code to create DIY hardware version of the HP-41 Reverse Polish Notation (RPN) calculator. The open source code ...