Interesting facts about calculators

Counting to a portable mechanical computing machine was performed by means of an abacus. Abacus is a device whose purpose is to perform simple arithmetic calculations by the type of addition and subtraction of sums. Abacus shared lines, and the score was made with the help of stones and similar items on the tape. The first abacus dates back to the third millennium BC. In the 16th century, abacus with stone or wooden knuckles in Russia was used. Its all Interesting facts about calculators.


Interesting facts about calculators
BC 2500 - Abakus, 53th idea, Abacus was first developed by Sumerians in ancient Mesopotamia to perform various mathematical operations. Because the etymology of the word "abaq" means that the first versions of the abacus used to calculate a powdered plate. The idea of ​​the abacus was scattered throughout the world. The oldest remaining piece is 150 cm long and 75 cm high. You could have used the Greek island of Salamis around 300 BC.

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Today, buying office supplies in city stores is unprofitable. The margin in them exceeds all reasonable limits, and the time spent searching for the right, as well as communicating with the seller is very much. For a business person, time is money and losing it means losing a certain amount of profit or time of the working day. Therefore, a modern person does not need a standard calculator and in most cases uses a standard calculator in the computer's operating system. If it is necessary to calculate a more complex algorithm, for example, a square triangular number , a vector and a matrix value, and other calculations, then use specialized online services.

Interesting facts about calculators
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1. Digital values ​​on calculators increase from bottom to top, and not from top to bottom, as on the phone - calculators come from mechanical counting machines, where the numbers are traditionally arranged from bottom to top. The phones, in turn, were equipped with a special rotating disk for a very long time, and therefore, at the same time that push-button devices began to be produced, it was decided to make the arrangement of numbers similar to what it was on the disk - from top to bottom, with zero at the end ;

Interesting facts about calculators
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 2. The oldest calculator known to us today is the Antikythera Mechanism. It was found on a Roman ship that sank near Antikythera in Greece. It was discovered in 1902. The mechanism was designed to correctly calculate the motion of celestial bodies, as well as simple tasks on the division, subtraction and addition. Experts believe that it was created in the II. before. n er

Interesting facts about calculators
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 3. B. Pascal in 1643 created a special summing machine, resembling a box with integrated gears connected to each other. In 1673, a German mathematician, Gottfried Wilhelm Leibniz created his own calculator with the same principle of operation, like Pascal, but with some differences. In the model, he added a moving part, which became the prototype of future portable calculators;

Interesting facts about calculators
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4. Calculators in their modern form began to be used in 1970. They then had a weight of about 800 g. Then a calculator was created in the USSR, in which integrated circuits were used. A year later, the first pocket calculator was released with oversized dimensions (13.1 x 7.7 x 3.7 cm);

Interesting facts about calculators
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5. Today came up with a lot of interesting "chips" with a calculator. For example, you can even say hello with it. To do this, you need to turn the calculator and dial the following combination of numbers on it: 0.7734.

Interesting facts about calculators
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6. On the Internet, you can find even more words that are typed on the calculator, in any language. There are a lot of them! A few hundred, probably ... You can add whole stories. Use a search engine like Google to find what interests you.
If you know how to make the letters I, E, H, S, G, L, B, O, Z and D using the numbers 1, 3, 4, 5, 6, 7, 8, 0, 2 and 0, you You can write 1,453 English words, but not all of them are funny and interesting. Here are some examples:
7734 - the word "hell"
316008 - the word "boogie"
530804 - the word "hobos"
0.70616 - the word "gigolo"
376006 - the word "google"  [4 ways]

Interesting facts about calculators
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