By comparison, the HP-15C was a pocket-sized scientific calculator with “built-in support for complex numbers, matrix math, numerical integration, and root solving”. It featured a 10-digit ...

and for many engineers that calculator was from HP. Today’s students are more likely to have a TI or Casio calculator, but HP is still in there with the HP Prime. It is hard to call it a ...

The HP-35 scientific calculator managed to replace the slide rule almost overnight, using a legendary combination of form and function. The HP-35 scientific calculator managed to replace the slide ...

For most of us, a calculator might have been superseded by Excel or an app on a phone, yet there remains a die-hard ...

A year ago, I finally added an example of the very first handheld scientific calculator – the HP 35 – to my collection. If you don’t insist on a pristine unit, they can be had for quite reasonable ...

The beloved HP-35, one of the first scientific calculators able to “perform transcendental functions such as trigonometric, logarithmic and exponential functions” with an LED display just ...

They’re still one of the most popular brands of scientific calculators as we know them today. Of all the different versions of the modern calculator, the 1968 Hewlett-Packard HP-9100A can be ...

Well at least for those of us of a certain vintage. HP is introducing a retro model of its first hand-held scientific calculator, the HP-35, to mark the 35th anniversary of HP Labs and the ...

The 35s marks the 35th anniversary of the industry defining HP-35 pocket scientific calculator (and death of the sliderule) -- a first to offer basic trig and exponential functions. While HP ...

The world's leading computer maker HP introduced a graphing calculator on Tuesday, which it says can perform a vast array of calculations and 3D graphics at an affordable price. The HP 48gII ...

Since the early 1970s, Hewlett-Packard pocket calculators have proved popular with students, scientists and engineers. Most of their scientific calculators let you show more digits after the zero.