Ordinal number generator. Excel Random Number Generator in Functions and Data Analysis

Numbers accompany us everywhere - house and apartment numbers, telephone numbers, car numbers, passport numbers, plastic cards, dates, passwords. Email. We choose some combinations of numbers ourselves, but most we get by chance. Without realizing it, we use numbers generated every day randomly. If we come up with PIN codes, then unique credit or salary card codes are generated by reliable systems that exclude access to passwords. Generators random numbers provide protection in areas requiring speed of information processing, security and independent processing of data.

The process of generating pseudorandom numbers is subject to certain laws and has been used for a long time, for example, in lotteries. In the recent past, drawings were carried out using lottery machines or lots. Now in many countries, the winning numbers of state lotteries are determined precisely by a set of generated random numbers.

Advantages of the method

So, a random number generator is an independent modern mechanism for randomly determining combinations of numbers. The uniqueness and perfection of this method lies in the impossibility of external intervention in the process. The generator is a set of programs built, for example, on noise diodes. The device generates a stream of random noise, current values which are converted into numbers and form combinations.

Generating numbers provides instant results - it takes a few seconds to create a combination. If we talk about lotteries, participants can immediately find out whether the ticket number matches the winning one. This allows drawings to be held as often as participants want. But the main advantage of the method is its unpredictability and the impossibility of calculating the algorithm for selecting numbers.

How pseudorandom numbers are generated

In fact, random numbers are not random - the series starts from a given number and is generated by an algorithm. A pseudorandom number generator (PRNG or PRNG - pseudorandom number generator) is an algorithm that generates a sequence of seemingly unrelated numbers, usually subject to a uniform distribution. In computer science, pseudorandom numbers are used in many applications: cryptography, simulation modeling, Monte Carlo method, etc. The quality of the result depends on the properties of the PRNG.

The source of generation can be physical noise from cosmic radiation to noise in a resistor, but such devices are almost never used in network security applications. Cryptographic applications use special algorithms that generate sequences that cannot be statistically random. However, a properly chosen algorithm can produce series of numbers that pass most randomness tests. The repetition period in such sequences is greater than the working interval from which the numbers are taken.

Many modern processors contain a PRNG, such as RdRand. As an alternative, sets of random numbers are created and published in a one-time pad (dictionary). The source of numbers in this case is limited and does not provide complete network security.

History of PRNG

A prototype of a random number generator can be considered board game Senet, common in Ancient Egypt in 3500 BC. According to the conditions, two players participated, the moves were determined by throwing four flat black and white sticks - they were a kind of PRNG of that time. The sticks were thrown at the same time, and points were counted: if one fell up with the white side, 1 point and an extra move, two white ones - two points, and so on. The maximum result of five points was received by the player who threw four sticks with the black side.

Nowadays, the ERNIE generator has been used for many years in the UK for lottery draws. There are two main generation methods winning numbers: linear congruent and additive congruent. These and other methods are based on the principle of random selection and are provided by software that endlessly produces numbers, the sequence of which is impossible to guess.

The PRNG operates continuously, for example, in slot machines. According to US law, this is a mandatory condition that all software providers must comply with.

Today, random number generators are actively used in the most different areas human activity. However especially popular they purchased in, which are arranged by the owners of online stores, beauty salons, cafes and other establishments for the drawing advantageous offers, bonuses and gifts among your subscribers. It is the random number generator, which works for free online, that allows you to honestly choose the winner.

If we're talking about about one-time use of the generator, you can use the most simple option such a program:

However, the computing capabilities and functionality of such a service are not always sufficient to obtain the necessary data. Today there are quite big number specialized online programs, which are distinguished not only by their simple interface for the user, but also by their wide functionality. You don’t have to look for dozens of programs on your own, since especially for you, in this article, we have prepared detailed review TOP 3 best online generator ov numbers, according to users:

First you need to get acquainted with the basic criteria:

  1. Select from a list. The ability for the user to provide their own list for generation, followed by selecting a random number from a given set.
  2. Select from a range. The ability of an online random number generator to sample from a specific range for free.
  3. Printing multiple numbers. A function responsible for simultaneously providing several random numbers at once if the user needs to receive more than one value.
  4. Disabling recurrence. The ability of the generator to exclude from subsequent generations the number that fell before it, so that when receiving several random numbers in a row, they are not duplicated.
  5. Widget for the site. The ability to connect the generator to your website or page in social networks so that it is always at hand and available for work.
  6. Link to result. The ability to receive a separate link to the result of each individual generation, which confirms the accuracy of the information provided when providing the results of competitions or sweepstakes.

Before preparing this article, we analyzed many generators that are available on the Internet. And out of all of them, we chose the 3 best:

TOP 1: Randstaff number generator


Description: The undisputed leader in our ranking of the best random number generators is the Randstaff service. It boasts a user-friendly user interface made in gray color, which does not put pressure on the eyes at all. It is convenient to use not only on a computer, but also with the help of mobile phone, which is especially important if you need to generate a random number without access to a PC.

Advantages: This free online random number generator has extensive functionality and offers the user the ability to output any number of random numbers from a list or range without repetition. You can choose the most convenient option for using the Randstaff service through a special widget, social media application or official website. After completing a simple registration procedure, you will gain access to your personal account, where all your results will be securely stored.

Flaws: No possibility. And you can save the generation result only for 3 days (but this is usually enough). If you want to save the result forever, you need to register with personal account(cost - 300 rubles).

TOP 2: number generator “Castlot”


Description: Second place rightfully belongs to the Kastlot random number generator. It does not represent independent service, and part of the portal with a variety of useful things, generating beautiful rhymes, unique logins and simply storing collections with interesting films or quotes. The interface differs little from similar services, but boasts more extensive functionality.

Advantages: Castlot allows the user to select random numbers from a given range. This may be one or more digits. You can choose the mode of operation of the service with or without repetition. A convenient advantage of the Castlot generator is the ability to get a separate link for each result. There is an exclusive feature called “even more randomness.” When activated, the generation process does not begin until the user moves the mouse cursor to a certain position. In addition, the range of additional service tools includes a widget for the site and a proprietary VKontakte application.

Flaws: The only obvious drawback of such a generator is the inability to select from a list.

TOP-3: generator “Random number.rf”


Description: The “Random Number” service allows you to generate online values in the range from 1 to 99999. The design is minimalist, which is to its advantage. No distractions. It is equally convenient to use on a computer or smartphone. Large black numbers on a white background are clearly visible, so even people with vision problems will not experience discomfort while using it.

Advantages: The functionality of this online random number generator allows you to select a random value from a list and a specific range. If you need to get several random numbers online at once, the required number should be indicated in the appropriate field, where the default value is 1. Repetition is disabled at the user’s request.

Flaws: You won’t be able to connect such a service to your website or community on social networks, since such a random number generator does not have its own widget. There are also no links to the results, which, together with other shortcomings, brings this service to the last place in our rating.

Conclusion

In our opinion, the best and optimal service for generating a random number is. It has all the features that other generators have. Its only drawback is the inability to disable the repetition of numbers during generation. But as we already wrote above, this nuance is not very important for the average user. Maybe we missed something in this article? If so, write in the comments!


Rating: 4.0 out of 5
Votes: 143
Random number generator for lotteries



1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
16 17 18 19 20
21 22 23 24 25
26 27 28 29 30
31 32 33 34 35
36 37 38 39 40
41 42 43 44 45
46 47 48 49


Numbers are exceptions
(separated by commas!)

*These numbers will not be used to generate the result.
Enter your numbers, or clear the field.

Generate options at a time (1-20)

The program is an online random number generator for Russian lotteries 5 out of 36, 6 out of 45, 7 out of 49, 6 out of 49. In addition to the number generator, such a useful tool as “Number Exceptions” is included.
Are you unlucky with the number 7 or 10? Then you can simply add these numbers to exceptions, and they will not be taken into account when generating numeric options.

Main features of the program
- Convenient, simple and visual interface.
- Customizable number generator: exception field, the number of generated combinations is adjustable from 1 to 20.
- Does not require installation. It will work on any device with Internet access.
- Correct work with all popular browsers: Internet Explorer, Opera, Google Chrome and Mozilla Firefox.

System requirements
Any browser that supports the HTML5 standard

Please report any errors found or suggestions for improving the program in the comments. If you liked this number generator, please share the link to it on social networks or online forums.
We wish you good luck and good wins to the lottery! We hope this program will help you with this.




Additional Information
License: For free
Software Developer: Soft-Archive
Supported OS: Windows XP, Windows Vista, Windows 7, Windows 8
Interface language: Russian
Update date: 2019-02-12


Comments and reviews: 35

1. Sergius 01.06.2014
Of course, I understand that gambling addicts are superstitious people, but I’m just wondering, what difference does it make: I come up with these numbers myself, or this number generator gives them to me?

2. Max 04.06.2014
Sergius, of course you can come up with numbers yourself. But when composing them, you will still be subject to a certain sequence, which will be influenced by factors such as favorite numbers, or just a number spinning in your head. That is, the numbers you come up with will be conditionally random.

Computer program is completely free from third-party interference and generates truly random numbers.

3.Iloinor 17.06.2014
When drawing 5 out of 36 balls in the same lottery, the balls are released randomly from the lottery drum. And their combination can be absolutely any. So it is simply impossible to generate a more or less successful combination. Any combination of numbers will always have the same winning ratio.
Who thinks differently?

4. Alexander 08.07.2014
Absolutely any one generated or compiled manually by the player himself has a probability of 1 in 376,992 (for lottery 5-36). In theory, this is possible! Anyone who thinks long enough about the problem of “how to increase the probability” will not agree with me.

And I came to the conclusion that everything is really hopeless. If you look at how combinations play in the full array of the same 5 out of 36, you can see that the combinations play with equal probability over a fairly large period of time.

At the same time, clusters are observed (we looked at starry sky) there too random distribution. We see that the stars cluster in certain places, but if we look through a telescope, the equally probable distribution remains.

Let’s go back to lotteries, if you look at such a map (of the combinations played), you can see that some areas “seemed to have quieted down,” and it’s these narrow ranges that become more likely than others for the coming games. Since, according to the law of equiprobable distribution, this area should be filled in the very near future. It makes sense to wait for combinations there. Our likelihood increases dramatically. We have a strategy that is aimed at railway sweat. This is a purposeful game, not blind throwing.

This is where special programs come in handy.
Contact the author of the random number generator displayed here. It can offer a special visualized program for the game + built-in strategy.

6. Pashka 02.01.2015
“Of course, I understand that gambling addicts are superstitious people.”

Not that word. My uncle always rubs all purchased Russian Lotto tickets on the sleeve of his lucky old jacket.

7. Samurai 06.01.2015
Do you want to win a Million in Lotto!? Do you want to know the secret to winning and the strategy for choosing the right numbers? You will find all the secrets of how to win the lotto on the website *moderator* loto.html
Play and win.

9. Nikolay 25.10.2015
Chance and luck speak. Of course, who can argue.
Have you imagined the number of combinations, for example, in the 6 out of 45 lottery?
If you clearly and clearly imagine this quantity, it will become obvious that it is inappropriate to rely only on chance and luck.
Just use your imagination a little, I hope you are not going to argue that we can use natural cunning and simply randomly exclude one single number out of 45.
At the same time, you need to try very hard so as not to snag the prize money. The chance of such an event will be 1 in 7.5.
Now we count - we have successfully excluded this number, in this case we have not 8,145,060 combinations left for the game, but 7,059,052... that is, we have reduced 1,086,008 from the range of possible combinations with one single number ( more than a million combinations).
This simple example illustrates the meaning of exceptions. And you don’t need to think that people who have devoted considerable time to studying methods of playing numerical lotteries write nothing but “vomit”.
- everything is mathematically justified.
Of course, Luck plays an important role in numerical lotteries, since we bet on a very small number of combinations for the game.
Therefore, in order to make it easier for “Luck” to find you, you need to use some gaming methods that are designed to PROBABLY reduce as many combinations as possible from the full array of the selected lottery.

10. Igor CK 03.09.2016
Nikolai wrote above about excluding one number in order to increase the chances that the remaining numbers will appear. In theory, all this is true! If, say, you exclude not 1, but 3 numbers, then the chances will increase even higher.
BUT there is one BUT! This is a lottery, everything is random and unpredictable. The same number may appear 10 times in a row, but another number may not appear even in 100 variations! It is impossible to calculate these very numbers, that's the point.

I remember back when I was studying at the university, our teacher in higher mathematics, a pleasant and intelligent man talked about lotteries and accidents. So he said that it is impossible to create any systems or methods here in principle! The result is completely random and unpredictable.

I saw several paid programs and training methods on the Internet that “help” to create the necessary combinations of numbers that increase the chances of winning. You know what I'm curious about? If there is a way to increase the chances of winning, then why don’t those who sell them make money from lotteries? Yes, you won’t be able to hit the jackpot, the probability is too low, but you can win small amounts. Isn't it logical?
Of course, they may object to me - they say, one does not interfere with the other - making money on lotteries and selling techniques. But the fact is that if everyone uses these methods, provided, of course, that they actually work, then this will reduce the income from winnings for their creators, since they will have to be divided into a large number of of people.

It’s like finding a hole in the Webmoney system that allows you to replenish your wallet with money “out of nowhere” and put this method up for sale so that it will be closed as soon as possible.

11. home 04.09.2016
Igor CK, what Nikolay wrote there - he wrote about one number, and the chances of not getting the prize money.
Next, consider what chances there will be if you exclude the 2nd number of not catching the future prize money, and so on))

Naturally, we cannot exclude them indefinitely; fantasy and fairy tales do not exist in lotteries, unless on fairy-tale sites that catch “seekers”))
A different approach is needed here; you need to follow not the numbers, but the periods that these numbers form.
Well, then build a strategy and get attached to the circulation history.

I decided to make a version of the generator for the general public, and I’ll upload it for moderation today tomorrow.
On my website, I will open the page of this generator, and there I will try to outline a game strategy using the periodicity of complete and partial matches.
Win in number lottery difficult, but it is possible.

12. home 13.11.2016
In general, I wrote the basics on the website, which can be found by searching: “VISUAL GENERATOR - random number generator with exception.” Paid a lot of attention to probabilities.
I made a version for this strategy game, which can be downloaded on the website, or here - VISUAL LOTTO TESTER 3.1

13. Timofei 26.11.2016
A friend of mine from work won 63 thousand rubles in the lottery. He walks around happy like a boa constrictor. And I'm not having any luck at all. If you are lucky enough to win something, it will be just one small thing.

14. Max 26.11.2016
Guys, there is a wonderful program “Eurolotto winning generator for all lotteries in the world” - there are algorithms for calculating draws, yesterday I won 15,000 rubles and completely recovered the cost and also earned money!

15. Yuri 01.02.2017
Let's try to play and see what happens.

16. Alexander 04.06.2017
Not long ago I read in a live journal (I don’t remember exactly the address of the diary) analytical calculations about lotteries in Russia. The point is that the results of large wins are manipulated and those who play are shown pre-calculated combinations. In general, there is no threat of a jackpot for you and me.

Information is based on calculations of odds of winning, number of participants in the drawing and number of winnings. So, if you take the number of participants and calculate the chance of winning the jackpot, you get a huge gap between chance and reality.

If, for example, you take a random number generator and guess any number from 1 to 10, then your chance of guessing is 1 in 10. Russian lotteries with the same scheme, the chance of a big win is 1 in 40-50. And it is still unknown how real the person who wins the jackpot is.

17. home 04.06.2017
Pseudo-analytical mathematicians are spreading complete nonsense.
It can be assumed with a high degree of probability that this is a struggle between competitors (ticket distributors).
And also people who have already played the game so far, and have read enough, that they really think: how can this be - I count, count, and count again... and nag, there’s no way I can count.)
That is, they blame third-party forces for their failures, which do not allow them to calculate, well, no way.
Do you know where you can calculate something down to a fraction of a second? For example, in celestial mechanics - an eclipse of the moon - thousands of years in advance - based on past observations.
This, as we all know, was used by the priests who learned to predict such events.

In lotteries, alas, there are no regular intervals, for example, when a certain ball appears. Since we have randomness, and not clear celestial mechanics.
That is, if the chance of a number is 1 in 10, then it will play at random - somewhere, going into a deep pause, somewhere it will appear more often, BUT if we take a large number of tests, then on average the number will appear 10 times per draw.
The probability is leveled out.
I read calculations about jackpots.
Calculators took a fixed segment of the history of circulations - looked at how many jackpots they took - looked at how many bets they bought.
Simple division - and the result does not converge. That is, for example, in a 5 out of 36 lottery, the jackpot should be played out for every 376,992 bets)
It turned out, for example, 10 were played, but it should have been like 20)
They take another segment of the history of circulation, and repeat the calculation - and lo and behold, there is even more than calculated - which means it was fair there - and even the orgs gave more - like feeding.

Let's remember about a single number - draw on a time period (on a piece of paper) the history of the coincidence of a number, for example 33, over 150 draws.
Now divide this segment, say, into 3 equal parts. Count the number of matches in each part. You will find that there will be varying numbers of matches.
But on average for the entire segment, the probability will be close to the calculated one.
150 circulation is clearly not enough.

Now none of the calculators will agree to carry out calculations for, say, 3000 draws in 5 out of 36. This is titanic manual labor (you need to look at the number of purchased bets on the website and record the jackpots).
I am convinced that on average, for such a number of circulations, the probability will be about the calculated one.

18. Kazak 03.07.2017
I’m wondering how Stoloto differs from the casinos banned in the Russian Federation? Essentially the same bets on a number. Oh yes, just a different name))) Oh well, God bless the name. Here in the reviews they are hotly discussing the possibilities and chances of winning the lottery, they even made a combination generator. Only this is where these are real people who win Jack Pots and big wins? I recommend watching several videos on YouTube about the organization of Stoloto lotteries, the random number generator (RNG), so-called live broadcasts, etc.

Answer:
People always want to win a lot of money for free. Any betting shop is built on this. To play or not, to believe or not, is everyone’s business. Link to video regarding Stoloto

19. Lion 09.07.2017
I've been hooked on lotteries for about a year now. I understand with my mind that I have virtually no chance of winning the jackpot, but I just can’t tear myself away from the game.

20. Jobs 12.07.2017
Tell me how to correctly calculate the probability of one number falling out of a hundred

Answer:
The meaning of the question is not entirely clear. If we take a completely random, random drop, then the answer is quite obvious, the chances will be 1 in 100 for any number from 1 to 100.
If you are talking about random number generator (RNG) algorithms, then does any programming language have its own operator responsible for their generation? It is difficult to say how random it is, because a certain algorithm is still responsible for its operation, which in itself excludes complete randomness. But nevertheless, the end result is close to ideal.

21. Kiryusha 05.09.2017
Do not believe in the possibility of winning significant money in the lottery. All the money has been cut long ago. Search the Internet for information about the owner of Stoloto and how much money there is. In addition, all broadcasts are recorded. Any result can be returned. Dead souls get jackpots.

22. Nikolay 23.10.2017
What are you saying! Regarding the network, for example, you can find information on the Internet that the Earth is flat, and it turns out that everyone is deceived that it is a sphere... and you can find a lot more!
Have you ever seen the chances of winning? Can you imagine what this is all about? In lotteries, there is no need to “hustle”, since the probabilities will not allow the lottery to go bankrupt; the organizers will always make a profit.

And so that there are no doubts, or so that they are minimal, Russian state lotteries transferred to automatic lottery machines, to which no one approaches during the drawings. The lottery machines are installed behind glass in lottery center. Now those interested can see with their own eyes the operation of these lottery machines - admission is free. By the way, there is no such openness anywhere else in the world.

news on the website stoloto.ru - the official website of Russian lotteries

23. lucky dude 26.10.2017
Nonsense, nonsense and more nonsense. Lady luck and nothing more. Try to take the combination given to you and beat it in the archive lottery and see what matches there were in past draws. Although who knows, maybe someone else will get the same bet taken from here. It's all up to chance

24. Andrey 27.10.2017
A good combination generator for stoloto STALKER LOTTO - 5x36, 6x45, 7x49, 6x49
The author on the program page provided links to the lottery forum where he conducted tests.

25. Semem Semenych 20.12.2017
>>>It is unlikely that you will find authors of lottery programs who will publicly conduct tests, and even on lottery forums, where the players are not at all stupid, who have gone through hundreds of free and paid programs.

I would say differently. It is unlikely that you will find avid lottery gamblers, with high intelligence. Of course, they can buy 1-2-3 tickets for fun, but people understand perfectly well that it is simply unrealistic to win serious money in the lottery, especially in Russia.

26. Pavel 27.12.2017
Players with high intelligence do not play with several tickets - even for fun. Such players understand probability theory very well, which for most ordinary people is Chinese literacy. Such players play systematically, carefully calculating their chances and budget for the game. Such players develop strategies for the game. Such players never bet at random.

About winning in Russia big prizes- this is just your worldview, so to speak, not supported by any facts. Explore better theory probabilities. It is extremely unlikely that your neighbor won the jackpot and then shared this information with you. I’ll say it differently - in Russia it’s dangerous to shine with a big win)))

27. I don’t play 05.01.2018
Pavel, people with high intelligence understand perfectly well what is a scam and what is not. And yes, their intelligence allows them to earn money with a much higher degree of probability than the lottery.

28. Alexander 16.01.2018
You can’t win at Stoloto, there’s a program for sold tickets

29. Mechanic 09.06.2018
Don’t fool your head, just take a screenshot of the lottery from the site and check after the drawing there is a winning, but they are cheap, I checked thousands, I’m tired of updating

30. match point 24.06.2018
I offer free and paid programs for analyzing lotteries: Keno, matchball, 5/36, 6/45, 6/49, 7/49, Russian lotto and others. There is a built-in generator of combinations of given numbers, a win and jackpot generator, the ability to print lotto cards and much more. You can download it here [removed]

31. Ilya Nefedov 13.08.2018
Guys, no one will make you a state lotto winning generator 5 out of 36, etc. even taking into account past draws. Everything is clear about the chance of random numbers appearing. BUT! Only if they are truly random. And when winning combinations is generated by a computer that already knows what combinations the players have chosen, then I don’t believe in the honesty of its algorithms. The same as playing in an online casino, where the roulette generator already knows what bet you made.

32. Albert 08.11.2018
The program doesn't work at all, it forgets the numbers that are not needed. raw in one word

Answer:
I entered several different sets of exception numbers and ran them several dozen times in different modes. The indicated numbers never appeared in the result. Is it different for you? Or did I misunderstand you?

33. Albert 11.11.2018
How many numbers can be included in exceptions? I scored 30, there were replays from the elimination

Answer:
There are no restrictions. Are you separating numbers with a comma?
I add the following line to the exceptions:
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30

Result: There are no excluded digits in the finished result.
If it’s different for you, please indicate your sequence and also your browser so that you can accurately recreate your situation.

34. Albert 14.11.2018
Opera browser. There are repetitions of those numbers that were typed in the exception
1.2.3.4.5.6.8.10.11.13.14.15.16.17.18.19.20.22.24.26.28.29.30.31.32.34.36.37.38.39.40.41.43.46.47.49.

Answer:
Your numbers are separated by a period and not a comma. It should be like this:
1,2,3,4,5,6,8,10,11,13,14,15,16,17,18,19,20,22,24,26,28,29,30,31,32,34,36,37,38,39,40,41,43,46,47,49
This combination works.

We have a sequence of numbers consisting of practically independent elements that obey a given distribution. As a rule, uniform distribution.

You can generate random numbers in Excel in different ways and ways. Let's consider only the best of them.

Random Number Function in Excel

  1. The RAND function returns a random, uniformly distributed real number. It will be less than 1, greater than or equal to 0.
  2. The RANDBETWEEN function returns a random integer.

Let's look at their use with examples.

Sampling random numbers using RAND

This function requires no arguments (RAND()).

To generate a random real number in the range from 1 to 5, for example, use the following formula: =RAND()*(5-1)+1.

The returned random number is distributed uniformly over the interval.

Each time the worksheet is calculated or the value in any cell in the worksheet changes, a new random number is returned. If you want to save the generated population, you can replace the formula with its value.

  1. Click on the cell with a random number.
  2. In the formula bar, select the formula.
  3. Press F9. AND ENTER.

Let's check the uniformity of the distribution of random numbers from the first sample using a distribution histogram.


The range of vertical values ​​is frequency. Horizontal - “pockets”.



RANDBETWEEN function

The syntax for the RANDBETWEEN function is (lower bound; upper bound). The first argument must be less than the second. Otherwise the function will throw an error. The boundaries are assumed to be integers. The formula discards the fractional part.

Example of using the function:

Random numbers with precision 0.1 and 0.01:

How to make a random number generator in Excel

Let's make a random number generator that generates a value from a certain range. We use a formula like: =INDEX(A1:A10,INTEGER(RAND()*10)+1).

Let's make a random number generator in the range from 0 to 100 in steps of 10.

You need to select 2 random ones from the list of text values. Using the RAND function, we compare text values ​​in the range A1:A7 with random numbers.

Let's use the INDEX function to select two random text values ​​from the original list.

To select one random value from the list, use the following formula: =INDEX(A1:A7,RANDBETWEEN(1,COUNT(A1:A7))).

Normal distribution random number generator

The RAND and RANDBETWEEN functions produce random numbers with a uniform distribution. Any value with the same probability can fall into the lower limit of the requested range and into the upper one. This results in a huge spread from the target value.

A normal distribution implies that most of the generated numbers are close to the target number. Let's adjust the RANDBETWEEN formula and create a data array with normal distribution.

The cost of product X is 100 rubles. The entire batch produced follows a normal distribution. A random variable also follows a normal probability distribution.

Under such conditions, the average value of the range is 100 rubles. Let's generate an array and plot a graph with a normal distribution at standard deviation 1.5 rubles.

We use the function: =NORMINV(RAND();100;1.5).

Excel calculated which values ​​were within the probability range. Since the probability of producing a product with a cost of 100 rubles is maximum, the formula shows values ​​close to 100 more often than others.

Let's move on to plotting the graph. First you need to create a table with categories. To do this, we divide the array into periods:

Based on the data obtained, we can generate a diagram with a normal distribution. The value axis is the number of variables in the interval, the category axis is periods.

Random number generator for lottery tickets is provided free of charge in an “as is” format. The developer does not bear any responsibility for material and non-material losses of script users. you can use this service at one's own risk. However, no matter what, you definitely don’t want to take risks :-).

Random numbers for online lottery tickets

Given software(RNG in JS) is a pseudo-random number generator, realized by possibilities Javascript programming language. The generator produces a uniform distribution of random numbers.

This allows you to knock out a “wedge with a wedge” on the RNG with a uniform distribution from lottery company answer with random numbers with a uniform distribution. This approach eliminates the subjectivity of the player, since people have certain preferences in choosing numbers and numbers (Birthdays of relatives, memorable dates, year, etc.), which affect the selection of numbers manually.

The free tool helps players select random numbers for lotteries. The random number generator script has a set of pre-configured modes for Gosloto 5 out of 36, 6 out of 45, 7 out of 49, 4 out of 20, Sportloto 6 out of 49. You can select a random number generation mode with free settings for other lottery options.

Lottery winning predictions

A random number generator with uniform distribution can serve as a horoscope for a lottery draw, although the probability that the forecast will come true is low. But still, using a random number generator has a good probability of winning compared to many other strategies lottery game and additionally frees you from torment difficult choice lucky numbers and combinations. For my part, I do not advise you to give in to the temptation and buy paid forecasts; it is better to spend this money on a textbook on combinatorics. You can learn a lot of interesting things from it, for example, the probability of winning the jackpot in Gosloto is 5 out of 36 1 To 376 992 . And the probability of getting the minimum prize by guessing 2 numbers is 1 To 8 . The forecast based on our RNG has the same probabilities of winning.

There are requests on the Internet for random numbers for the lottery, taking into account past draws. But provided that the lottery uses RNG with a uniform distribution and the probability of getting one or another combination does not depend on each draw, then it is pointless to try to take into account the results of past draws. And this is quite logical, since it is not profitable for lottery companies to allow participants to simple methods increase your likelihood of winning.

There is often talk that lottery organizers are rigging the results. But in fact, this makes no sense, even, on the contrary, if lottery companies influenced the results of the lottery, then one could find winning strategy, but so far no one has succeeded. Therefore, it is very profitable for lottery organizers that the balls fall out with uniform probability. By the way, the estimated return on lottery 5 out of 36 is 34.7%. Thus, the lottery company retains 65.3% of the proceeds from ticket sales, part of the funds (usually half) is allocated to the formation of the jackpot, the rest of the money goes to organizational expenses, advertising and the company’s net profit. Circulation statistics perfectly confirm these figures.

Hence the conclusion - do not buy meaningless forecasts, use a free random number generator, take care of your nerves. Let our random numbers be for you lucky numbers. Have a good mood and have a nice day!