Calculator and Small Hand Device

The most enchanting, awe-inspiring and enhancing invention is the calculator. It is first invented by Blaise Pascal. It is a small hand device which contains lot of symmetric functions. It is a pocket tool. It works like a human brain. It is a small device and has a small brain in it. It has soft buttons attached to it. We can carry it anywhere. It has a minimum weight age. Now-a-days calculators are more advanced. They may also work on the principle of solar light. It is the most useful and advance invention in the world which makes the lives of people of easier and full of comfort. It has removed the people’s disturbance and discomfort level. We can solve any mathematical, algebraic and arithmetic expression easily on it.
Calculator is a device which makes calculations. Now-a-days shopkeepers are also in touch with this device. They use it in their daily basis calculations i.e. making bills. These days, calculators are highly rated in the lives of students. Calculators are working like their intimate friends at every moment. Studies are much difficult now. Without calculators numerical and any expression can’t be solved. We can also sort out trigonometric functions because calculators contain these functions like sine, cosine and tangent etc. Now computers have also this feature installed in them. Calculators are also now available in watches, bracelets shapes.
As a whole it is a small device which brings a great change in our lives. It has saved our golden time. It is a very comfortable invention.