So I tried like below...but it is not working... Can any one Tell ... why this code does not work sResolvedDateTimePart = String.Format("{0,2:D2}", DateTime.Now.Year); The precision and alignment specifiers (2 in your example) indicate the *minimum* number of digits required in the output. Method #2 : Using islice() + reversed(). So the second last (ten’s digit) of \({31^{76}}\) is Unit digit of \(3 \times 6 = 18\) or 8. Using the start parameter with different positive and negative numbers: Using the start and length parameters with different positive and negative numbers: If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: W3Schools is optimized for learning and training. How do I get the last two digit of e.g. 4. Only problem is it doesn't display two digits in the decimal if the last number is a 0. Note that the provided date will need to be in a format recognized by the current system locale; mine for example is mm/dd/yyyy. I have my php script all set up and ready to go. While using W3Schools, you agree to have read and accepted our, Required. Below is the implementation of the above approach. How to extract the last 4 characters from NSString? I'm trying to pull out the last two digits of a year. Specifies the length of the returned string. Example: Find the tens place digit of \({41^{38}}\), \({71^{87}}\), \({91^{94}}\). The f at last tells to treat the number as a float. Default is to the end of the string. Now observe that the last two digits of the first two terms are 00, 00, and 84. The islice function can be used to get the sliced list and reversed function is used to get the elements from rear end. How can we convert a list of characters into a string in Python? The substr() function returns a part of a string. Previous: Write a JavaScript program to calculate age. More actions May 2, 2012 at 10:17 am #268278. int number = 1234; get the digits() How can I cut a string after X characters in JavaScript? The prerequisite is to memorise the square of the first 25 natural numbers. Changing it to - 8 had the expected result - returned the last 8 characters. int fYear = Convert.ToInt32(DateTime.Today.Year.ToString().Substring(2, 2)); This didn't work I still get 4 digits. Required fields are marked *. But I want to get as 1914, is it possible? 2^9 ≡ 512 (mod 1000) to get the last three digits, so let’s use a different example: 2^1234 To get its last digit: 2^1234 ≡ 2^4 ≡ 6 (mod 10) To get the two last digits of 2^1234 is the same as getting the two last digits of 2^34, because: 2^1234 ≡ 2^34 (mod 100) It’s easier … Thanks in advance. How to get first 100 characters of the string in Python? Last two digits of year is: 85. Re: Batch file: getting only the last 2 digits of the year « Reply #7 on: March 11, 2009, 04:24:15 PM » Radical or not it seems to me to be a better assumption that, based on the OP's script, the OP wants to return the date in either ddmmyy or mmddyy format. The trick to finding the second last digit of any number ending with 1 is the UNIT DIGIT of the product of the unit digit of the power and the ten’s digit of the base. I don’t quite understand the concept of bionomial expansion you mentioned for verification. Below table shows rules to find last two digits of numbers ending in 5, Example: Find the last two digits of \({135^{123}}\). How do you get the individual digits of the number, like 1, 2, 3, and 4 individually? First is the number and second is the number of digits to be returned from the first argument number, but the restriction was not to convert it to the string. In this post, In most languages: Divide by 10 to dump the last digit Modulus 10 to get the last digit of the new number So in Java, some helper method like this will suffice: Now, number 78 is close to 100 and the deviation of 78 from 100 is 22 (100-78). Last update on February 26 2020 08:09:45 (UTC/GMT +8 hours) MySQL String: Exercise-9 with Solution Write a query to extract the last 4 character of phone numbers. offset. The tested string. Parameters. Last Two digits: The objective of this article is to understand the concept and approach to solve questions like: There are two-three shortcut approaches to solve the above problems. If offset is non-negative, the returned string will start at the offset'th position in string, counting from zero.For instance, in the string 'abcdef', the character at position 0 is 'a', the character at position 2 is 'c', and so forth. Also, it crashes if no arguments are provided with subscript out of range (not surprising). Therefore, the last two digits of \({62^{48}} = 56 \times 41 = 96\). 05-05-2005, 04:52 PM #2. Rounds number up to precision decimal, when it is half way there. The inbuilt funtions can also be used to perform this particular task. In \({31^{76}}\), the base is 31 (ten’s place is 3) and power is 76 (the unit digit is 6) . That is not possible. Write a c program to convert decimal number to hexadecimal number. Optional. If offset is negative, the returned string will start at the offset'th character from the end of string. Can you please assist: If the value is 101234 then I want my output to be 34. The correct answers are 2, 9, and 6 respectively. polkadot. Any number with its units digit as 0 when raised to any power has 00 as its last two digits. Improve this sample solution and post your code through Disqus. \({76^{any\;natural\;number}}\) is always 76. ); I would like to have as the result a … 2. Specifies the number of decimal digits to round to. I used the following code, but i get the answer of 65. Hi, I try to create a textfield with the month in 2 digits, but I can't see what I should change in the formula. From the above examples, we can deduce that the if the number is close to 100 or 50, the last two digits of the square of the number is equal to the last two digits of the square of the deviation of the number from the base 100 or 50 (whichever the number if close to). text. Alogrithm: 1. How to get last 2 characters from string in C# using Regex? I want to read last two digits of year. 3. See the Pen JavaScript - Get the day of the month, 2 digits with leading zeros-date-ex-19 by w3resource (@w3resource) on CodePen. You may have to register or Login before you can post: click the register link above to proceed. I leave the same to the readers to do. 2005? Hi Guys, I am trying to get the last 2 digits from a numeric field. You used 2,2 in the Substring? Other versions get the string from start. But before we go and apply the same, we need to understand the following basic points. Write a c program to convert octal number to decimal number. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. For example: getLastTwoDigits("a1b2cd3e4ghi5jk") must return "45"; I had already asked how to get the first two digits of a string.But now I need a performant way to get the last two digits. Your email address will not be published. Can anyone suggest a way I could do this? Therefore, the last two digits of \({31^{76}}\) are 81. PHP 5.2.2 - 5.2.6 - If start has the position of a negative truncation, FALSE is returned. They do not specify the *maximum* number of digits. I hope you got all right. So the last two digits of \({78^2} \equiv \) last two digits of \({\left( {100 – 22} \right)^2} \equiv \) last two digits of \({22^2}\) Similarly, the last two digits of \({61^2} \equiv {\left( {50 + 11} \right)^2} \equiv {11^2} \equiv 21\). ljCharlie Register To Reply. Default is 0: mode: Optional. The first parameter which is called format specifier starts with a percentage (%) sign. That means to start at the 3rd position and read two characters. how to get the last 2 digits of an hex value If this is your first visit, be sure to check out the FAQ by clicking the link above. Specifies a constant to specify the rounding mode: PHP_ROUND_HALF_UP - Default. Example: Find the last two digits of \({2^{34}}\), \({2^{34}} \equiv {\left( {{2^{30}}} \right)^4}\), \( \equiv {\left( {{2^{10}}} \right)^3} \times {2^4}\), Example: Find the last two digits of \({62^{48}}\), Observe that \({62^{48}}\) can be written as \({2^{48}} \times {31^{48}}\), Or last two digits of \({62^{48}}\) = last two digits of \({2^{48}}\) \( \times \) last two digits of \({31^{48}}\), Last two digits of \({2^{48}} \equiv {\left( {{2^{10}}} \right)^4} \times {2^8}\), Last two digits of \({31^{48}} \equiv 41\). The input string. Hi Team, I use the M language Date.WeekOfYear(Date.From(DateTime.LocalNow()), Day.Monday) to get to the current week number, the value is 14 for today. How can I get a list of locally installed Python modules? Now we will take an example to use the above observation. Example: Find the last two digits of \({79^{64}}\), Observe that the last two digits of \( {79^2} \equiv {21^2} \equiv 41\), Therefore, the last two digits of \({79^{64}} \equiv \) last two digits of \({\left( {{{79}^2}} \right)^{32}} \equiv \) \({41^{32}} \equiv 81\), Example: Find the tens place digit of \({87^{73}}\), \( \equiv \;last\;two\;digits\;of\;87 \times {\left( {{{87}^2}} \right)^{36}}\) \( \equiv 87 \times {\left( {69} \right)^{36}} \equiv 87 \times {\left( {{{69}^2}} \right)^{18}}\), \( \equiv 87 \times \left( {{{61}^{18}}} \right) \equiv 87 \times 81 \equiv 47\), Question: What are the last two digits of \(7^{2008}\)? Note: To verify the above result, we can use the concept of binomial expansion. What would be the most performant way to get the last 2 digits of a string? Help is appreciated. Let’s take an example; say we need to find the last two digits of \({78^2}\). It is clear that the unit digit of the given number is 1 and we have to identify the ten’s place digit of the same. Points: 13662. [CAT 2008], Things to note is that the last two digits of. PHP Version: 4+ Changelog: PHP 7.0 - If string = start (in characters long), it will return an empty string. Here, we will see how to find the last two digits of a large number. A Naive Approach is to find the value of 2^n iteratively or using pow function. From the above table, we can see that for odd-odd combination last two digits will be 75. Specifies where to start in the string. it will echo the last two digits of the year. Leith Ross. Your email address will not be published. Wednesday, February 14, 2018 6:53 PM text/sourcefragment 2/14/2018 7:01:25 PM Bill_Stewart 0 Number system syllabus and preparation tips for CAT exam. If an int between -128 and 255 inclusive is provided, it is interpreted as the ASCII value of a single character (negative values have 256 added in order to allow characters in the Extended ASCII range). Hi, Is it possible to insert a formula which can pick just the last 4 digits from a 5 digit number for eg: 25451 I need 5451 / 20192 I need 0192 etc Is it possible to format the cell itself and derive this or is there a formula through which i can derive this on the adjoining cell rgds Any other integer is interpreted as a string containing the decimal digits of the integer. Convert the number by repeatedly squaring until we get the unit digit as 1, and then applying the trick of finding the last two digits of number with unit digit 1 as explained above. So we can write \({78^2} = {\left( {100 – 22} \right)^2} = {100^2} – 2 \times 100 \times 22 + {22^2} = 10000 – 4400 + 484\). Last Two digits: The objective of this article is to understand the concept and approach to solve questions like: Find the last two digits of \({2^{234}}\) \({31^{123}}\) \({73^{35}}\) There are two-three shortcut approaches to solve the above problems. retrieve only month and year (last two digits) part of datetime field. string. Last Two Digits of Large Number. In the previous post we tried to understand calculating the units digits of large numbers like $2014^{2012}$, $1453^{71}$ etc. Say we need to find the last two digits of \({31^{76}}\). For example: say you have simple integer variable containing 1234. Once the value of 2^n is calculated, find the last two digits and print it. I'm having trouble getting the individual digits of a number. I was asked by my senior colleague to make a method, which takes two arguments as an input. Note: . I did this: Year(1/25/2005) and I get 2005 but I want to list it as 05 instead. Examples might be simplified to improve reading and learning. Parameters. Write a c program to convert decimal number to octal number. Returns the extracted part of a string, or FALSE on failure, or an empty string, A positive number - Start at a specified position in the string, A negative number - Start at a specified position from the end of the string, 0 - Start at the first character in string, A positive number - The length to be returned from the start parameter, Negative number - The length to be returned from the end of the string. Then the dot and the 2 comes which is precision specifier that tells 2 decimal digits should be displayed after the dot. Specifies the string to return a part of, Required. %let yeartest=2002; %let yeartest2=%sysfunc(putn(&yeartest,year2. It should be somthing like this. SSChampion. if no, I think I can get the last two digits of the year, such as 2019, to get … Write a c program to convert octal number to hexadecimal number. Note: This approach will only work for 2 n within certain range, as overflow occurs. 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