java math round 2 decimal

Trouvé à l'intérieur – Page 209The round() method gets rid of the decimal portion of the value, choosing the next higher number if appropriate. ... double exponent) The following shows how to use this method: double squared = Math.pow(5, 2); // 25.0 Notice that the ... I will be just explaining you some rounding tricks. There, you can . Trouvé à l'intérieur – Page 556and Functions import java.math . ... getText ( ) ) ; // Create BigDecimal from a long value , setting 2 decimal positions BigDecimal decLong ... The setScale method sets the number of decimal positions and the rounding method . Expanding On the Math.round() Function. Yes @Arun. So, 1.34567 rounded to 3 decimal places prints 1 . Founder of Mkyong.com, love Java and open source stuff. Math.round(input * 100.0) / 100.0; java round to 2 decimal. Trouvé à l'intérieur – Page 375... double d ) { 1 / Stringify a decimal with r decimal places to the right of // the point in a field of width w . return sprintr ( w - r - 1 , ( int ) d ) + sprintzr ( r , ( int ) Math.round ( Math.pow ( 10.0 , r ) * ( d - Math.floor ... it is absolutely essential for both input and output to be a double. It can handle very large and very small floating point numbers with great precision but compensating with the time complexity a bit. This static method provides an accurate way to round double and . Thank you much…DecimalFormat is really good solution. well yes, because it actually happened to me :), Still wondering why no one mentioned new BigDecimal(123.13698).round(new MathContext(5)).doubleValue(). Declaration Following is the declaration for java.math.BigDecimal.multiply() method. It works fine in my system. How do you round to 2 decimal places in math? We can use the java.lang.Math.round method for that. This method is used to return the closest long to the argument, with ties rounding to positive infinity. I always do this all the time, because it return the double value. The java.math.BigDecimal.multiply(BigDecimal multiplicand, MathContext mc) returns a BigDecimal whose value is (this × multiplicand), with rounding according to the context settings. S ince Math.round() will only round a floating point value to the nearest integer value, we can use that to our advantage to accomplish the task of . The Number.toFixed() method takes an integer as input and returns the number as a string. Do we need automatic hyper-parameter tuning when we have a large enough dataset? How do I convert a String to an int in Java? Trouvé à l'intérieur – Page 4Syntax: Math. signum(argument) ❍ round( ) : To round off an argument to the nearest decimal. Syntax: Math.round(argument) ❍ max( ) : To find the largest of two values passed to it as a parameter. Syntax: Math. max(argument1, ... This code uses the round() function to convert the MPG to a whole number. returns the long value if the argument is double. How to round double / float value to 2 decimal points in Java, http://grepcode.com/file/repo1.maven.org/maven2/org.apache.commons/commons-math3/3.0/org/apache/commons/math3/util/Precision.java#338. I want to convert value like 5.8987221219522616E-5…want to avoid E value..please let me know if have any idea about it…thanks. It should work now, are you interested in printing the rounded number or in evaluating the rounded number (to do something with it)? ( Math.round(395.0349999999 * 100 ) / 100.0. ) round() is a built-in math function which returns the closest long to the argument. In the above program, we've used DecimalFormat class to round a given number num. Answer (1 of 9): 1. This round method rounds to the nearest whole number and on compiling we will get output as 3  which is a rounded value. Math. We can also take advantage of the static methods in the Math class to round a double value to a specified decimal place. One might assume that writing new BigDecimal(0.1) in Java creates a BigDecimal which is exactly . Should be ok for most cases. Expected result: double : 3.14159265359 salary : 3.14. i want to convert -0.00000000758602002145 to zero in two decimal accuracy. If the argument is positive or negative number, this method will return the nearest value. In Java, there are a few ways to round float or double to 2 decimal places. Trouvé à l'intérieur – Page 44Math class to round that number to an Integer. ... How It Works The java.lang.Math class ... 3-2. Formatting Double and Long Decimal Values Problem You need to have the ability to format double and long numbers within your application. Decimal Format does not round off the last decimal value for any of its functions. rev 2021.10.18.40487. Trouvé à l'intérieur – Page 319This is usually done by rounding . EXAMPLE B.2 Rounding Round the number a to d significant digits ( “ sigdigs ” ) : d = 30 i = 3,14159265358979323846264338328 d = 29 tt. d = 31 r = 3.141592653589793238462643383280 1 import java.math . Rounding off in Java - Round two decimal places In this section, you will learn about how to round the figure up to two decimal places in java. Rounding modes in Java BigDecimal. if you are interested in the numbers, then i guess (without actually having confirmed) that the "messed" up output is actually correct, as it is the closes floating-point equivalent to "123.14" (check, round up to 2 decimal places in java? Code that correctly rounds a number to two decimals Side effects of using Math.round . Trouvé à l'intérieur – Page 161FIGURE 8-12: Example of using the round math operator block in Scratch. ... round(5.4999) 5 Java Math.round(5.5); 6 Java Math.round(5.4999); 5 Some programming languages even have functions that let you round to a certain decimal! Note. This function returns the longest string that is closest to the parameter, with ties being rounded to positive infinity. groovy.lang.MissingMethodException: No signature of . If you like my tutorials, consider make a donation to these charities. Eg - 1.235 should round off to 1.24 but the DF formatting rounds it to 1.23 which is wrong. 1.3 => 1. The java. Double is the default type: double PI = 3.1415; However, we should never use either type for precise values, such as currencies. Farkhanda Athar - Jul 23, 2020: How to round up a double in java Hasnain_khan - Oct 14, 2020: Write a program to convert decimal to binary in java Jeevani - Jun 19: JavaScript round number to 2 decimal places sakshi - May 30: round off . By mkyong | Last updated: April 16, 2019. it is absolutely essential for both input and output to be a double. lang. Trouvé à l'intérieur – Page 97How would you round a double value to certain decimal Precision and Scale? ... BigDecimal; import java.math. ... doubleValue(); } public double round2(double input) { return Math.round(input * 100) / 100.0d; } public double ... Binary permutation list code in Mathematica, Cannot remove write protection from USB drive. Trouvé à l'intérieur – Page 127hasNext()) { // point to next element double d = (Double) listIterator.next(); // round up the decimal number listIterator.set(Math.round(d)); } System.out.println("Modified list: " + array); } } In this example, we create a list of ... Math. Let us follow the below example. Behaves as for RoundingMode.UP if the discarded fraction is ≥ 0.5; otherwise, behaves as for RoundingMode.DOWN. Trouvé à l'intérieur – Page 79If you want to round the value, Java provides a method for rounding in the Math class. The rounding (instead of truncating) ... of precision found: double required: float As we mentioned earlier, the literal 2. O has type double. Does the Hunter's Mark spell work with pebbles that have the Magic Stone spell cast on them? round is a built-in math function which returns the closest long to the argument. Make sure its point zero or else you'd have integer division and in Java if you integers by integers you always get an integer result, which is an incorrect rounding. Rounding off in Java - Round two decimal places In this section, you will learn about how to round the figure up to two decimal places in java. So to round back to do decimal places you divide outside the paranthesis by 100.0 and its like double rounded = Math.round(num * 100 ) / 100.0. Now we got 314 and now we want 3.14 is our final result. HOW TO ROUND A NUMBER TO 2 DECIMAL PLACES ? All published articles are simple and easy to understand and well tested in our development environment. I have read a lot of stackoverflow questions but none seems to be working for me. Trouvé à l'intérieur – Page 3261 return new objects where the decimal point has been moved to the left or right by a specified number of digits . ... There are eight rounding modes , two of which are of interest in this chapter . ... BigInteger ; import java.math . The java.math.BigDecimal.round (MathContext mc) returns a BigDecimal rounded according to the MathContext settings. How can I make a tracing game mechanic more engaging? Is a world where all creatures are blue possible? In summary, if you want to round a float or double to an int in Java . Trouvé à l'intérieur – Page 50If you want to round a floating-point number to the nearest whole number, use the Math.round method. ... For example, when you print an amount in dollars and cents, you usually want it to be rounded to two significant digits. If you have noticed above in scaling section there are two overloaded methods where the second one takes RoundingMode as parameter. Trouvé à l'intérieur – Page 643Take a look at the output: a = 23.45 b = 23.4500 a scale = 2 b scale = 4 We can see that the value of aNum was set to 23.45 as expected, and its scale matched ... LISTING 34.4 Setting Scale with Rounding Mode HALF_UP import java.math. The unscaled value is 2141 and the scale is 3. How to round numbers in Java.here the code: double R=83.13532213; R=Math.round(R*100.0)/100.0; System.out.print(" 83.13532213 to 2 digits"+R); ("internet on the Moon"). But Math.round is accurate. We also set the rounding mode to Ceiling, this causes the last given place to be rounded to its next number. How do you round a double to two decimal places on Android? You can still changes types if you want to be compliant with doubles for instance. Is there any reason why /proc/*/cmdline is world-readable? Syntax Do I really need to include a light switch in every room? to round double to two decimal places Java. In the above program, we've used DecimalFormat class to round a given number num. Difference between numeric, float and decimal in SQL Server; How to round a Double to the nearest . This function is used to round of given number up to given decimal places. Translates a double into a BigDecimal which is the exact decimal representation of the double's binary floating-point value.The scale of the returned BigDecimal is the smallest value such that (10 scale × val) is an integer. How do I generate random integers within a specific range in Java? Formatting a Decimal Number The JavaScript If all you need to do is round a decimal number to an integer, one line of code can do the job. Java math.round basic output. Trouvé à l'intérieur – Page 156For each even number b from 2 to 109, we checked whether this number satisfies both conditions (2) and (3). ... b += 2){ value = Math.sqrt(0.5) * b; //Checks if the square root is well approximated if(Math.abs(value - Math.round( ... Trouvé à l'intérieur – Page 585( Round your answers to two decimal places . ) c . What is the probability that an Internet stock purchased during the period reported ended either below its initial offering price or above the price it closed on its first day of ... By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. ; Here's a very simple utility class that rounds an arbitrary decimal number with the number of digits after decimal . For example:-Consider the decimal number 2.141. Using Math.round(double*100.0)/100. @CarlosA.Junior do you say using above way would not give consistent results ? Trouvé à l'intérieur – Page 371Here are some sample results : 6 3 3 1 2 0 5 9 3 5 6 6 0 3 5 4 9 3 6 6 8 1 1 3 0 3 2 5 3 4 The signature of the random ( ) method ... If the number after the decimal point is less than 0.5 , Math.round ( ) is equal to Math.floor ( ) . Is Java "pass-by-reference" or "pass-by-value"? i am using math.round() to round off. I'll assume that you know how to do stuff in JAVA. However I think generally people would expect the result as 395.04. did you import java.text.DecimalFormat; ? By default you have an object defined in groovy like follows: groovy> def number=12.11. When to use LinkedList over ArrayList in Java? How do you round a decimal when using the if statement in Java? RoundingMode is an Enum provided in the package java.math. The java.lang.Math class that comes bundled with Java contains various methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions.. Math.round(…) method is part of the Math class. The result is rounded to an integer by adding 1/2, taking the floor of the result after adding 1/2, and casting the result to type long. 1.346. In Java, there are a few ways to round float or double to 2 decimal places. 1.5 => 2 1.7 => 2. rounds downward if the value after the decimal is smaller than 5. double kilobytes = -0.00000000758602002145; DecimalFormat df = new DecimalFormat(“###.##”); System.out.println(“kilobytes (DecimalFormat) : ” + df.format(kilobytes)); It is faster It is more concise It returns a double instead of a string. Follow him on Twitter. Import DecimalFormat class for one way to round. This means we want num up to 3 decimal places. Are groups determined by their morphisms from solvable groups? In DecimalFormat we should use 0 or # ?? round method in Java is used to round a number to its closest integer. Use the Math.round() Function to Round a Number To 2 Decimal Places in JavaScript There is no built-in method to round to a certain number of digits in JavaScript. Just pass your number to this function as a double, it will return you rounding the decimal value up to the nearest value of 5; if you want to round upto 2 decimal places,then use, if up to 3 places, new DecimalFormat("#.###"), if up to n places, new DecimalFormat("#.nTimes #"). i am using math.round () to round off. Let's try to get an answer accurate to the fourth decimal place. There are following methods to used in rounding the data: it would be great great help if you change the line 4 . That's for 5 digits precision. First: Math.round(123.50 * 100.0) = 124.0, ok. Second: Math.round(-123.50 * 100.0) = -123.0!! Would rubber carriage wheels significantly improve the efficiency of horse-drawn carriage travel? To round off any number to any decimal place we can use this method by first multiplying the input number with 10 ^ decimal place, so in our case it is 2 that is Math.round(3.14159265359 * (10 ^ 2)) and then divide it by 10 ^ decimal place like Math.round(3.14159265359 * (10 ^ 2)) / (10 ^ 2) so it will now round off the given number to 2 . DecimalFormat. Syntax Parameter. Rounding mode to round towards "nearest neighbor" unless both neighbors are equidistant, in which case round up. Let's understand each with the help of simple example. Trouvé à l'intérieur – Page 67How It Works The java.lang.Math class contains ... Math round() method accepts a float as an argument. ... 4-2. Formatting Double and Long Decimal Values Problem You need to be able to format double and long numbers in your application. For more of a review, check out the lesson titled How to Round to 2 Decimal Places in Java. Questions: This question already has an answer here: How to round a number to n decimal places in Java 28 answers Answers: Well this one works… double roundOff = Math.round(a * 100.0) / 100.0; Output is 123.14 Or as @Rufein said double roundOff = (double) Math.round(a * 100) / 100; this will do it for . It is used for rounding a decimal to the nearest integer.In mathematics, if the fractional part of the argument is greater than 0.5, it . Looking to display 33.76538 in the standard currency format? Go back to your code, and replace 100 by 100.00 and let me know if it works. is this correct?, I wait -124.0. 1.346. It receives the desired number of significant digits. Here is an example of each. Round a double to 2 decimal places; How to round an average to 2 decimal places in PostgreSQL? Java Round to 2 Decimal Places. We declare the format using the # patterns #.###. int x = Math.round(2.6f); But if round thinks it's receiving a double it will return a long, so casting it to an int like this is necessary: int y = (int) Math.round(2.6); The first of these two examples works because I have explicitly given round a float when I wrote 2.6f. The toFixed() method converts a number into a string, rounding to a specified number of decimals. Trouvé à l'intérieur – Page 256To display a number with two decimal places that are rounded up, use the following: BigDecimal num4 = new ... ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result. at java.math. returns the int value if the argument is float. [duplicate], How to round a number to n decimal places in Java. Trouvé à l'intérieur – Page 23Incidentally, if you are fussy about how many decimal places appear in the output, using the Math . round method is probably the easiest way of specifying two decimal places, for example: System.out.println( ... Saved me a lot of time. I had the same issue, Math.round method is overloaded and you are getting the long back make sure you pick the method that returns an int. JavaScripting experts in the forums will ask you to specify if you really need to round up or down your decimal values with precission, or, to actually truncate the face value to only 2 digits to the right of the decimal period, simply because you won't be able to round up the real value with this method. The Math.round () method is used in Java to round a given number to its nearest integer. How do non-trinitarians explain Isaiah 43:11 taking into account its immediate context. Hi, Math.Round rounds numbers to the nearest value. Java Math.round() method. The java.lang.Math.round() is used round of the decimal numbers to the nearest value. 1. class round{. Saved sometime. double n2 = Math.round(number * 100.0) / 100.0; Below is how to round a double value to a 1 . Trouvé à l'intérieur – Page 207The following shows how to use these methods: int first = Math.max(3, 7); // 7 int second = Math.min(7, -9); // -9 The ... The round() method gets rid of the decimal portion of the value, choosing the next higher number if appropriate. For someone who is reading the code for the first time, you might ask where the magical number 100.0 comes from. . Note that this is the rounding mode commonly taught at school. How can I draw the surface f(x,y)=x^2+y^2 like my picture? seems like you are hit by integer arithmetic: in some languages (int)/(int) will always be evaluated as integer arithmetic. Write a program to convert decimal to binary in java, How to convert binary to decimal in Python. Source code in Mkyong.com is licensed under the MIT License, read this Code License. java by Giamblers on Feb 18 2021 Donate Comment. The final value is the truncated value. Trouvé à l'intérieur – Page 121double x = 29.4; double y = 93.5; double z = -19.3; System.out.println("round(x) System.out.println("round(y) System.out.println("round(z) System.out.println(); = " = " = " + Math.round(x)); + Math.round(y)); + Math.round(z)); ... How to Round a Number to N Decimal Places in Java, JavaScript round number to 2 decimal places. Podcast 384: Can AI solve car accidents and find you a parking space? Because the Math.round function rounds to the nearest whole number, we will first multiply the base * rate by 100.0. You can use String. The java.lang package. Definition and Usage. That's for 5 digits precision. Trouvé à l'intérieur – Page 179Import java.math.BigDecimal; public class BigDecimalCalculator { public static void main(String[] args) { int age = 30; BigDecimal retirementFund = new BigDecimal("10000.00"); // set the scale to 2 decimal points // and the rounding to ... Trouvé à l'intérieur – Page 374Math.ceil , Math.floor , and Math.round are three different ways of converting a floating - point number to an ... is not a useful operator for determining if two doubles are equal ; it requires equality to the minutest decimal place . double roundOff = Math.round (a*100)/100; System.out.println (roundOff); } } the output i get is: 123 but i want it to be 123.14. i read that adding *100/100 will help but as you can see i didn't manage to get it to work. Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide. macOS artificially restricts speeds to 100 Mbps over Ethernet. Trouvé à l'intérieurNumbers and Math Java provides the byte, short, int, long, float, and double primitive types for representing numbers. ... The Math class defines a number of methods that provide trigonometric, logarithmic, exponential, and rounding ... Trouvé à l'intérieur – Page 139Listing 3-5: A Program That Uses the Rounding Methods of the Math Class public class RoundingApp { public static void main(String[] ... And all the decimal digits for double or float values are printed, whether you want them to or not. Using String.format, I can format the same way my country uses to round taxes' decimal places. 3. I have read a lot of stackoverflow questions but none seems to be working for me. I.E. Trouvé à l'intérieur – Page 558Java Script Editor r— Create and EditJavaScripts - var f = this . getField ("subTotal"] ; if (f .value !=0) { var j = this . getField ("taxRate . amount") event. value - Math. round (f. value * j .value} /10Q; 5. Code quality: a concern for businesses, bottom lines, and empathetic programmers, Updates to Privacy Policy (September 2021). By tweaking the input parameter slightly, we can use some creative math to give us the two decimal places. DecimalExample.java. it would be great great help if you change the line 4 of the code above and post it. javascript round to 2 decimal places var subTotal="12.1345";// can also be int, float, string var subTotalFormatted=parseFloat(subTotal).toFixed(2); //"12.13" round to 2 decimal places php You might think the Math.round() function would take an argument specifying a desired precision, but it doesn't. For example, if you want to round 0.507 to 1 decimal place, you multiply by 10 to get 5.07, round to get 5, then divide by 10 to get 0.5. Trouvé à l'intérieur – Page 125You can format a float value X to two decimal places by the expression Math.round ( x + 100 ) / 100 Dr. & Ms. Can you tell how it works ? By the way , this solution is not perfect . It will display two decimal places only if the second ... The java. it is absolutely essential for both input and output to be a double. So System.out.println("%f" = "\n", num);  is telling java with percentf is actually take that number variable and substitute the f for that number variable and that f is for a float number. Java provides two primitive types that we can use for storing decimal numbers: float and double. lang. Using BigDecimal. round() is a built-in math function which returns the closest long to the argument. We declare the format using the # patterns #.###. Trouvé à l'intérieur – Page 67One version of the java.lang.Math round() method accepts a float as an argument. It will round the ... 4-2. Formatting Double and Long Decimal Values Problem You need to be able to format double and long numbers in your application. This is done by adding 1 / 2 1/2 1/2 to the number, taking the floor of the result, and casting the result to an integer data type. Using DecimalFormat. What if we only require the first 4 decimal places? Rounding off a float to two decimal places. Its useful. By default round () method rounding all digits after decimal place but we can write code to round float or double value to n decimal places, Use Code KNOWPROGRAM10 to get FLAT 10% OFF on all Courses. However, as Math.round rounds the value to the nearest integer, we will have to multiply it by the number of decimal places and then round and divide again. It doesn't really matter how you run examples just the code matters. In this case, we can adjust the number of decimal places by multiplying and later dividing by 10^n.Let's check our helper method: public static double withMathRound(double value, int places) { double scale = Math.pow(10, places); return Math.round(value * scale) / scale; } 2 Answers. So to round back to do decimal places you divide outside the paranthesis by 100.0 and its like double rounded = Math.round(num * 100 ) / 100.0 Make sure its point zero or else you'd have integer division and in Java if you integers by integers you always get an integer result, which is an incorrect rounding. Rounding involves converting a numeric value with a specified precision to a value with less precision. See if this helps. There are multiple ways to format double to 2 decimal places. I n this tutorial, we are going to see how to round to 2 digits after the decimal point. Connect and share knowledge within a single location that is structured and easy to search. Trouvé à l'intérieur – Page 292Precondition : amount > = 0 ; // Outputs amount in dollars and cents notation . Rounds // after two decimal points . Omits the dollar sign . private static void writePositive ( double amount ) { int allCents = ( int ) ( Math.round ... How do I read / convert an InputStream into a String in Java? Let's go through them. Trouvé à l'intérieur – Page 23Incidentally, if you are fussy about how many decimal places appear in the output, using the Math . round method is probably the easiest way of specifying two decimal places, for example: System.out.println( ... DecimalFormat is the best ways to output, but I don't prefer it. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Trouvé à l'intérieur – Page 141Use the Math.round method to round a floating-point number to the nearest integer. The cast (int) converts the floating-point value ... Table 2 Mathematical Methods Function Returns Math.sqrt(x) Square root of x (≥0) Math.pow(x, ... Rounding off decimal value in Groovy. DecimalFormat is a child class of the NumberFormat which is used to perform formatting of decimal numbers in java. If it is less than 0.5, the argument is rounded to the integer with the lower absolute value. Posted by Anantha Narayanan On 9:56 PM 2 comments. Trouvé à l'intérieur – Page 552The following program demonstrates the need to use BigInteger, trying to multiply the maximum value a long can represent by itself. import java.math. ... It takes 38 digits to represent the answer to the multiplication operation: 1 ... Shift the decimal of the given value to the given decimal point by multiplying 10^n. I am setting it equal to math.round and in paranthesis I have my number variable num. Since in this article, we will learn rounding of a double to 2 decimal places, the application of Math.round () will include (double*100.0)/100.0. groovy> println number.round (2) Exception thrown. Scale: The number of digits to the right of the decimal point. Math. will become 395.03. Trouvé à l'intérieur – Page 130In Java, there is no analog to the ± operation, which indicates how to obtain two solutions simultaneously. Both solutions must be computed separately: x1 = (-b + Math.sqrt(b * b - 4 * a * c)) / (2 * a); x2 = (-b - Math.sqrt(b * b - 4 ... If you want two decimals then add period to percentage as (%.2f or %.8f). For example, you can use the Round (Double) method to round a value of 3.4 to 3.0, and the Round (Double, Int32) method to round a value of 3.579 to 3.58. Formatting numbers to a specific number of decimal places can still be done using the Math.round() function, but will require a little multiplication and . Return. A number can be rounded to a maximum of 2 decimal places using two different approaches in javascript. Trouvé à l'intérieur – Page 62For example , the number value price can be a parameter of the Math.round method : Math.round ( price ) . Beginners might think that the round method is applied to an object called Math , because Math . precedes round just as System.out ... Take the floor of the number and divide the number by 10^n. Isn’t nearest number -124.0 to -123.50? How to do it? The whole number is . The .0 tells Java we intend to deal with a float or double value. double roundOff = Math.round (a*100)/100; System.out.println (roundOff); } } the output i get is: 123 but i want it to be 123.14. i read that adding *100/100 will help but as you can see i didn't manage to get it to work. Hello, Can you share Java code or script for finding P-value of large data sets:- Assuming value is a double, you can do: (double)Math.round (value * 100000d) / 100000d. Answer (1 of 10): While many of the answers are about String truncation, The question is about rounding (not truncation). Most didatic explanation i’ve found. Round: This is the process of rounding with dollar amounts and provides the result in more than two decimal places after division. You can use Math.round to round your double va. Assuming value is a double, you can do: (double)Math.round (value * 100000d) / 100000d. Method 1: Using the Number.toFixed() method.

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