Tag Results for
"Calculator" - 32 Total Result(s)
Photo of seven handheld calculators Hewlett-Packard offered within four years of introducing the HP 35.
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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 ...
A print ad featuring HP's business (HP 37E and HP 38E) and scientific (HP 31E, HP 32E and HP 33E) calculators.
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A Serious Offering: HP Series E Calculators
Series E was the first collection of Hewlett-Packard handheld calculators with a diagnostic error code system which identified errors made by the user in entering data. With both business (HP 37E and ...
Front view of the HP 9836C.
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A Step in the Right Direction: The HP 9836C
The HP 9836C shows the gradual development of Hewlett-Packard’s personal calculators into personal computers. The keyboard, CPU and disk drives were all part of a self-contained unit, but the monitor ...
A photo of the HP 65 programmable pocket calculator with quick reference guide, a pack of inserts and carrying case.
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A Superstar Product: The HP 65 Calculator
The HP 65 programmable pocket calculator was codenamed “Superstar.” At an opening price of $795, a fraction of the cost of a programmable desktop calculator, the HP 65 made computer programming more a ...
The HP 35 handheld scientific calculator.
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Adding Innovation: The HP 35
The HP 35 was the world’s first handheld scientific calculator, meaning it was capable of performing advanced mathematics. Marketed primarily through the mail, this product was Hewlett-Packard’s first ...
Lynn Tillman and Janet Loustanou giving Bill Hewlett and Dave Packard a tutorial on the HP 70 financial calculator.
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Calculations: Bill and Dave Tutored on HP 70
Lynn Tillman (second from left) and Janet Loustanou (far right) gave Bill Hewlett and Dave Packard a tutorial on the HP 70 financial calculator. Tillman, a lab development manager, was responsible for ...
HP 25C calculator with continuous memory.
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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 ...
An ad for the HP 28C highlighting its innovations with the tagline Hewlett-Packard re-invents the calculator.
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HP 28C Calculator Magazine Ad
The HP 28C rewrote all the rules about what a calculator could do. It was known as the “first” in many categories — all of which Hewlett-Packard was happy to tell people about.
An ad for the HP 35 featuring the device held in one hand with text emphasizing its portability, power and reasonable price.
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HP 35: Marketed to the Consumer
On January 4, 1972, Hewlett-Packard introduced the HP 35, the first handheld scientific calculator. Designed to fit into a shirt pocket (under Bill Hewlett’s direction), the device was the first produ ...
The HP 9100A programmable desktop calculator (left/front view).
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HP 9100A: The Premiere of the PC
One of the most important inventions of the twentieth century, the 9100A was the world’s first commercially available programmable desktop calculator and the first commercial scientific calculator, me ...