Nasa’s Apollo-Soyuz pocket calculator reached the Smithsonian 37 years after its 1975 mission

The Apollo-Soyuz mission featured a remarkable pocket-sized Hewlett-Packard calculator, designed to serve as a safeguard for critical navigational calculations. Now housed at the Smithsonian's ...

In 1975, NASA sent a pocket calculator on Apollo-Soyuz as a backup if its main computer failed; 37 years later, it ended up at the Smithsonian

NASA utilized an HP-65 calculator as a crucial backup system during the Apollo-Soyuz mission. This programmable device ...