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1972–1976: A Series of Calculators
By 1976, just four years after the introduction of the HP 35, calculators had become a booming business at Hewlett-Packard. This opportunity led to an array of products, all of which built upon the de ...
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Creating Corvallis
Hewlett-Packard’s Corvallis facility was established in 1976. It would become a crucial site for the company’s operations, especially personal computing and printing, making celebratory launch memento ...
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Enter the Floppy Disk: The 9855M
The advent of flexible (or “floppy”) disks made data storage and transfer far easier and proved crucial to the success of personal computers. This 9855M drive from Hewlett-Packard used 8″ disks, the f ...
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HP 25C: A Calculator Worth C-ing
The HP 25C handheld calculator was Hewlett-Packard’s first programmable handheld product with “continuous memory,” meaning that it could retain information after the device was turned off without requ ...
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Playing by Ear: the 47021A
Introduced by the Medical Products Group in late 1974, the new 47201A pulse oximeter could measure oxygen saturation in a patient’s blood continuously and non-intrusively. Instead of requiring that th ...
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Steady as a Heartbeat: the 8030A
Building on the success of the revolutionary 8020A, by 1975 Hewlett-Packard had introduced an updated, noninvasive fetal heart monitor, the 8030A. The new device offered medical professionals four dif ...
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The HP 97: The Perks of a Built-In Printer
The HP 97 was the most powerful personal calculator Hewlett-Packard had produced to that point. It was functionally equivalent to a handheld calculator released at the same time, the HP 67, but the 97 ...