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Needing a solar (photovoltaic) cell quickly for a project, I bought a cheap (£1) calculator with the solar cell clearly visible on the front.
When I took it apart, however, something was wrong: there were no wires leading fom the cell. Prising a black backing plate off revealed that the 'cell' was in fact a shiny transparent piece of plastic about an inch long with maroon/brown blocks printed on the back, with gaps left between them specifically to simulate the appearance of a real solar cell.
I wasn't quite sure whether to laugh or be annoyed. Why would a company bother to design and manufacture the fake solar cell? With calculators selling for £1 each it's surely unlikely that deceiving the customer in this way would make much difference to sales... so really, why did they bother?
Was it a conscious decision - "we can charge more for this if people think it's solar-powered"? Or was it just that other calculators have them so it was thought that this one ought to, even though it was fake?
This - www.alibaba.com/catalog/11270592/Desktop_Calculators_Stoc... - looks to be the same or a very similar model, with the text expressly describing the "dummy solar" as if it is a feature.
(And yeah, when I actually looked more closely at the box the calculator came in - after taking it apart - I did see the "Solar cell are dummy & only for decoration" text.)
My old Sharp student's scientific calculator, it has been working on original batteries (shown) for an incredible period since 1983 !
Ditch all the "calculators" you've bookmarked out on the web. You can do all the calculations to find your % body fat, resting metabolic rate and caloric expenditures from inside your TrainingPeaks account!
Needing a solar (photovoltaic) cell quickly for a project, I bought a cheap (£1) calculator with the solar cell clearly visible on the front.
When I took it apart, however, something was wrong: there were no wires leading fom the cell. Prising a black backing plate off revealed that the 'cell' was in fact a shiny transparent piece of plastic about an inch long with maroon/brown blocks printed on the back, with gaps left between them specifically to simulate the appearance of a real solar cell.
I wasn't quite sure whether to laugh or be annoyed. Why would a company bother to design and manufacture the fake solar cell? With calculators selling for £1 each it's surely unlikely that deceiving the customer in this way would make much difference to sales... so really, why did they bother?
Was it a conscious decision - "we can charge more for this if people think it's solar-powered"? Or was it just that other calculators have them so it was thought that this one ought to, even though it was fake?
This - www.alibaba.com/catalog/11270592/Desktop_Calculators_Stoc... - looks to be the same or a very similar model, with the text expressly describing the "dummy solar" as if it is a feature.
(And yeah, when I actually looked more closely at the box the calculator came in - after taking it apart - I did see the "Solar cell are dummy & only for decoration" text.)
Hewlett Packard 42S flat display and the later stepped display (these two were made in 1989 and 1993).
I imitated a the compostition of a Hongkong postage stamp. The image on the stamp was originally a combination of a modern calculator and an acient Chinese abacus, which I found quite interesting
Needing a solar (photovoltaic) cell quickly for a project, I bought a cheap (£1) calculator with the solar cell clearly visible on the front.
When I took it apart, however, something was wrong: there were no wires leading fom the cell. Prising a black backing plate off revealed that the 'cell' was in fact a shiny transparent piece of plastic about an inch long with maroon/brown blocks printed on the back, with gaps left between them specifically to simulate the appearance of a real solar cell.
I wasn't quite sure whether to laugh or be annoyed. Why would a company bother to design and manufacture the fake solar cell? With calculators selling for £1 each it's surely unlikely that deceiving the customer in this way would make much difference to sales... so really, why did they bother?
Was it a conscious decision - "we can charge more for this if people think it's solar-powered"? Or was it just that other calculators have them so it was thought that this one ought to, even though it was fake?
This - www.alibaba.com/catalog/11270592/Desktop_Calculators_Stoc... - looks to be the same or a very similar model, with the text expressly describing the "dummy solar" as if it is a feature.
(And yeah, when I actually looked more closely at the box the calculator came in - after taking it apart - I did see the "Solar cell are dummy & only for decoration" text.)
linear equations calculator is an equation that makes a straight line when it is graphed. Online Linear Equations Calculator is a tool which makes calculations easy and fun. It is used to calculate the value of a unknown variable "x". Try our Linear Equations Calculator and get your problems solved instantly.
Power Supply and clock PCB. The 4 ICs are TTL devices to generate the system clock signals. The pot core on the left is the power converter transformer to generate the voltages needed by the PMOS ICs and the display. The 4 power transistors in the top centre are part of the power converter, the single one on the right is in the battery charger circuit. The plug on the left (white wires) carries the display voltages to the scan PCB, the one on the right (grey wires) connects to the battery holder
Vector calculator is vastly used concept in math as well as in science. Vector Calculator is a very useful online tools for students. Put the values and get the answers, not delay. Vector involves some operations like addition, subtraction etc.
A major improvement on the abacus and much larger versions of calculators, these can perform simple math functions all the way to calculus equations. © JoeHaupt / Wikimedia Commons / CC-BY-SA-3.0
quick on board. You are allowed to use this image on your website. If you do, please link back to my site as the source: creditscoregeek.com/
Example: Photo by CreditScoreGeek.com
Thank you!
Mike Cohen
Chemical reaction calculator is a tool which makes calculations easy and fun. It is used to calculate the balanced equation and equilibrium constant when a chemical equation is given. Try our Chemical Reaction Calculator and get your problems solved instantly.
Radio Shack/ Tandy had a line of 'pocket computers' in the 80's - these were re-badged Sharp and Casio PC's. I've owned the PC-8 (bottom right) new since 1988 - it was the first pocket computer in my collection.
Lloyd's Accumatic 200 calculator from the mid-1970's. Unusual keyboard layout, with the "=" above the x. Similar to the 999 (same case and general layout), but without the scientific functions.
Open view, see other image for the decorated top.
I've decorated this pocket sized calculator with polymer clay, glass catseye cabochons, silver jewelry findings and faux turquoise cabs. After curing the polymer clay it was painted with metallic paint and secured to the calculator with a permanent adhesive.
It measures 3.75" 2.25"
Pussy Calculator is a two-part zine
I wrote half in the spring of 2010 while I was working the 5am shift at Lund's [a high-end grocery store in Minneapolis]. Each entry was written on a piece of receipt paper from my register and scribed into this zine.
The other part came about because my step-dad sent me an entire album's worth of photographs that my mom had collected of all of the cat's that I have had throughout my childhood. I had no freaking clue what I was going to do with all of these old cat pictures so I comprised them into this zine. There are little stories of each of the cat's and some fun illustrations.
There were so many cat pictures that as a bonus feature to buying this zine you get your own personal picture to keep and frame in your house with a little story on the back.
ALSO in addition to all of the above this zine comes with a mini-zine that my home-boy made while I was putting together the final pieces of 'Pussy Calculator' when we were hanging out one day. He used a handful of pictures from my cat collection that I was sent to make a mini-story called 'Rupert & Sgt. Paws - A 'tail' of 2 best fwends' It is a must read.
Dudes this is the mother-load of zines.
Pussy Calculator comes bound a few different ways I tried to show the different ways in the picture, so that is also a surprise within a surprise as to which way you will get your 'Pussy Calculator'
This zine is 24-pages printed on both sides in black and white, and will be sure to make you smile!
I love trades!
The Curta calculator is a wonderful historical curiosity. It was a hand-operated mechanical calculator that was driven by the rotation of the crank at the top of the device. Among its early adopters were rally drivers who needed to calculate target times to checkpoints. An experienced operator could operate the device without taking their eyes off the road. The Curta calculator would have been the invention that displaced the slide calculator, if it had not had the misfortune of being developed just prior to the advent of the age of the transistor.
percentages calculator Percentage is an expression of number as a fraction of 100. It is denoted by percent sign, “%”.
Like
1) 25 % = 25 / 100,
2) 50% of 75 is 50/100 × 75 = 37.5.
This is the cable that links the keyboard to the scan PCB. The black plastic blocks at each end are fixed to the PCB with screws clamping the cable contacts against the PCB fingers.
Probability Calculator is a part of mathematics is related with the random phenomenon. Probability Calculator is an online tool to find probability of a given situation or problem. It makes calculation easy and fun. If number of possible outcomes and number of event is given then it can easily find the probability.
This is the declination calculator found on the National Oceanic & Atmospheric Administration (NOAA) website. Visit brawnhumus.com/tilt-angle-solar-panels to learn how to use this calculator.