Last month we touched upon the world of 1970s calculators with a teardown of a vintage Sinclair, and in the follow-up were sent an interesting link: a review of a classic Sinclair calculator kit ...

If you'd like a handheld computer that'll make you look like a math nerd from 30 years ago, you're in luck. Linux DIY computer maker ClockworkPi has released a new handheld kit called the PicoCalc.