You might wonder why you need a calculator on your computer, and perhaps you don’t. However, the HP Prime isn’t just your 1980s vintage calculator. It also has an amazing number of ...

That changed around 1975. The Time Computer Calculator company produced an amazing calculator watch for Pulsar. At the time, Pulsar was a brand of the Hamilton Watch Company. A Pulsar calculator ...

The guidance computer used in the Apollo lunar landings has been turned into a cool calculator watch. It has a stopwatch, GPS, and the promise of future updates with more functionality.