Adding Wireless Charging to a 46-Year-Old Calculator Shows Off Incredible Devotion to a Gadget
Even if you ’re haunt with own the latest and nifty tech , there ’s probably still an older contrivance you still have a soft spot for . Maybe it ’s the originalGame Boy , or aclassic PDA ? For Jan Rychter , it ’s aHewlett - Packard HP-25 calculator , which they latterly upgrade so it was compatible with at least one modernistic convenience : wireless charging . In the 46 years since Hewlett - Packard first stick in the poser 25 , the capabilities of calculators have evolved by leaps and bounds , with touchscreens and graph capabilities and more button than you ’ll find in Nasa ’s delegacy control ....