Added: The pocket calculator preceded the programmable pocket calculator, which in turn gave way to the personal home general purpose computer, later called a "PC".
http://en.wikipedia.org/wiki/HP-25C Here is a picture of a late 70S-era programmable engineering calculator. Note the SST, BST, and GTO buttons in the upper left. Those allowed the user to single-step through a programme, and jump to programme locations. The X/Y buttons along the left side permitted X register and Y register comparisons so that the programme could take various paths through the programme as needed.
http://en.wikipedia.org/wiki/HP-85 Here is a picture of the HP-85, which started to look like a more modern PC as we see them (somewhat) today. (Laptops came even later still). Note the "TAPE" drive located next to the tiny B&W screen. No little disc drives had been invented yet.
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2016-12-10 08:43:40 UTC
on the tip of the 60's each and every person develop into curious approximately the moon venture and between the suited issues have been: laptop. For scientific calculations you used a slide ruler, a typical image develop into an engineer who had a slide ruler status out of his blouse pocket. We have been knowledgeable at college and for some tough calculations I nonetheless use mine, the earnings is: with the aid of using a slide ruler you get an "optical" impression how math works and you are going to be able to "touch" it with your hands. as quickly as I even have an issue with the information wit a formulation that's plenty extra suitable to apply a slide ruler because it grants a "actual" feeling, that's like: information the seen a circle with the aid of drawing one grants extra suitable information then to understand the formulation. the 1st calculators confirmed up in around 1972 and the place especially used with the aid of engineers and at universities. I had a instructor (he got here clean from e technical college) and he confirmed us one in 1973 (sixth grade), it may only do plus/minus/branch/multiplication, develop into the size of an previous cell telephone and made with the aid of Texas gadgets. It fee around 1500 $. We have been awe struck !!! He promised us: until now we would flow away college everyone could have one. In 1977 i bought a TI fifty one for around a hundred $, 2 years later one for 15 $. a typical individual did not have a calculator in 1972, only technicians/engineers/mathematicians at universities and that they in many circumstances do not date .... the comparable with cellular telephones later: they have been like bricks, it regarded stupid to have one. That develop into not something to influence a woman. That digital gears grew to develop into an merchandise to gloat with is a progression for the late ninety's and 00's.
2012-08-26 17:26:22 UTC
i would have to go with iPhone's.
they seem like their everywhere now a days.
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2012-08-26 15:13:11 UTC
cell phones/smart phones. (many of which have calculators)
2012-08-26 15:00:38 UTC
An iPod?
2012-08-26 15:14:22 UTC
slide rule ;)
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