| The HP-71B handheld computer caused something of a stir when Hewlett-Packard released it on February 1, 1984, some thirty years ago, with a...
Karl-Ludwig Butte (13)
| Hewlett-Packard’s HP-35 was the first scientific pocket calculator in the world. Suddenly tedious and inaccurate computations using log tabl...
| Electrical muscle stimulation machines offer relief from aches and pains, muscle tension, neuralgia and lots of other miscellaneous ailments...