What is a calculator and how does it work?

What is a calculator and how does it work?
What is a calculator? Whenever we have to do a big calculation, we miss the Calculator more. But have you thought what this calculator is and how it completes all mathematical calculations so soon. Does the calculator have different types and how does it work? If these questions have ever come to your mind and you did not find much information about what is a calculator and how it works, then there is nothing to worry about because you will find out about this calculator. I will know only

We often ignore the feature of small devices, meaning that the instruments that are as small as the palms of our hands, we do not give much importance to them. The same thing happens with our calculating device. Yes friends, it is small in appearance but it turns very big sums into jokes. Talking about calculation, then in our mind also we can do a lot of small calculations but it also has a limit and after that we start having trouble in it. That's why we humans have been making such instruments since the beginning, so that we can help in the calculation. As of now, these calculators are now used as an application in our SmartPhones by running from different devices. But even if this sounds a bit strange to you, but calculators have to go through many evolutionary steps, then we are able to see and use this form of this instrument.

A calculator is an electronic hardware device or software that is capable of performing very mathematical calculations such as addition, multiplication, subtraction, and division. The first commercialized electronic calculator was launched by Casio Computer Company in the year 1957. Since then, considerable changes have been seen in the sizes, features and functions of calculators. These changes were brought by the manufacturers according to the needs and usage of the people. They even started making it for computers, smartphones and tablets in their operating systems. Many operating systems such as Windows, iOS, Android, Mac have their own inbuild Calculator application.

The word calculator r is derived from the Latin word calculare, which means to count by using stones.

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We use these calculators so much that they have become a part of our lives. The price of these calculators depends on their features, application and size. In recent times, it has become very important to learn its use. This is because in the present time there is a need for more time and by saving our calculation it saves a lot of our time. At the same time, the demand of Scientific Calculators has also increased considerably due to the use of the need, because there are many such functions that Enginners, architects, scientists need to do their work.

History of calculator
There was a time when these numbers did not exist at all. Humans used to use fingers and fingers of their hands and feet for counting devices. But this was not enough because when it came to a large number, it became impossible to calculate. Then our civilization invented abacus, which is the oldest calculating tool, except fingers.

Right now, even though they are not used that much, Abacus was the only device that started calculating machine in human civilization. Then slowly there was a lot of change in this calculating machine and finally this calculator was created which we use for our calculation. But it did not happen very soon, rather it took many years to happen, about which we are going to know further. Next you will know about the most important Calculation Machines according to their manufacturer and year.

1623: FIRST ADDING MACHINE
Device Name: Calculating Clock
Inventor: Wilhelm Schickard

Schickard's "Calculating Clock" had multiplying devices, such as a mechanism used to record intermediate results, as well as a 6-digit decimal adding device.

1773: FIRST FUNCTIONAL Calculator
Inventor: Philip Matthäus Hahn

Hahn's feeling was to design a machine that would help him calculate clock parameters and planetarium.

So he based his calculator on a "Stepped Reckoner" calculating machine developed by Gottfried Wilhelm Leibniz in 1672. Hahn's calculator consisted of a set of twelve drums which were in a circular arrangement and to activate it, a crank was used which was present in the axis of the drums.

1820: First COMMERCIALLY PRODUCED MECHANICAL Calculator
Device Name: Arithmometer
Inventor: Charles Xavier Thomas de Colmar

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