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Two hands holding a calculator. There is a route for hand and finger.
The font used is the Futura Condensed medium.
Toutes ces images se trouvent en banque d'image
All these images are in image bank
intéressé? Envoyez moi un courriel pour plus d'info
Interested? Send me an email for more info
This machine uses a standard 2.1mm coaxial power connector, but the plug from Maplin (top) will not fit through the hole in the case. The solution is to turn down the plug body, and produce the thinner version at the bottom
Here, we will talk about one of the online educational program which is Graphing Calculator. Graphing Calculator uses the mathematical expression as its input and shows the symbolic or geographical shape as its output. If it produces a straight line as its output than the input equation is definitely of linear form. As we know, graphing is a paper representation of any shape which requires the Cartesian axes coordinates and slope or angle at which it is being drawn in respect of x axis or y axis.
Gestern habe ich 70 EUR für einen neuen (grafischen) Taschenrechner ausgegeben.
I spent 70 EUR for a new (graphic) calculator yesterday.
The logic assembly is (temporarily) fitted to the lower case and power up. It has jsut calculated SQRT(2).
The worn tiny numbers on this old mechanical calculator have seen heavy use through the decades. Testing the short mount Macro-Topcor 135mm f/4 macro lens.
View on black: decluttr
The HP-97 programmable printing calculator was introduced 1976. Code-named "Kitty Hawk," the HP-97 had large keys and a bright LED (light-emitting diode) display. These features, combined with the ease of saving programs and data on magnetic cards (which themselves were interchangeable with the HP-67 models), made this a popular product for business and technical users.
Pascal calculator
replica by Roberto Guatelli
1978
37x13x10 (LWH)
art. no. 1979.0568
Canada Science and Technology Museum
This artifact, currently on display in our artifact spotlight area, has been linked to our recently acquired Babbage replica. The Italian scholar, Roberto Guatelli, made both of them. Guatelli was a well known maker of historic mathematical reproductions and did several replicas for IBM in the 1960s and 70s. He was especially well known for his Leonardo da Vinci recreations. See The Rotarian, December 1952.
THE ABOVE MODEL IS A REPRODUCTION OF A MECHANICAL CALCULATOR, FIRST DESIGNED BY BLAISE PASCAL IN THE 17TH C. IT WAS COMPLETED IN 1642. THE PRIMARY CONCEPTION WHICH THIS MACHINE INTRODUCED WAS THE MECHANIZATION OF THE CARRY. IT ADDS & SUBSTRACTS DIRECTLY, BUT MULTIPLICATION & DIVISION ARE ACCOMPLISHED BY REPEATED ADDITIONS & SUBTRACTIONS.
The 9100A was the world's first programmable scientific desktop calculator. Picture taken from a brochure.
The 4 logic boards and the display plug into this connector block. Metal contacts connect the edge fingers on the top of one PCB to those on the bottom of the PCB immediately above it. In many cases the fingers on the 2 sides of a PCB are connected on that PCB, so that a signal (such as the power or clock lines) can be bussed to all the boards
I spilled water on my calculator watch and now in addition to being the 0th of the month, none of the buttons work for me to fix it.
Oh well, I've had this thing for five years...
Powershot trivia: It actually is possible to take handheld macro shots with the flash. The camera will totally overexpose them on auto, but if you put it on manual, set a short exposure, and use "Fluorescent H" white balance, you can get passable results. Of course, I'd have done better had I bothered to set up my tripod, but in a pinch, this is good to know.
This is a silicon disc, full of small parts ('chips'). Each of these chips (the small rectangles which make the disc look like a wafer) contains a calculator that is far more complex than the IBM 604.
Visit my blog at ideonexus.com for science news and speculation.
A solar calculator plugin features smarter technical aspects and you would get familiar with the beneficial options. It’s time to install the plugin and you can use technology in your way. @ solarwizardplugin.com/
I can't help myself but to buy this cute floppy calculator~ I love Smiggle's~ everytime i go in there i want to take everything home with me.
I probably don't need another mousepad either~ but she is so sweet, she wanted to come home with me ^____^
I abused my calculator on my iBook by mashing numbers until I found that it said Infinity, it intrigued me