The calculator in question is a Sinclair Cambridge ... impossibly fiddly to those brought up soldering tube bases. The build raises an interesting question: is it sacrilege to take a rare survivor ...

The early HP Reverse Polish Notation calculators have a special place in the hearts of engineers and tinkerers as there are lots of projects involving them. They haven’t been produced in decades ...

International Code Council and WoodWorks have joined together to release an updated version of the free app to calculate ...