Most didatic explanation i’ve found.

Input: 10 1.7777777 9.1 Output: 10 1.78 9.1 How can I do this in JavaScript? Decimal Numbers in Java.

However, after the round conversion, you will get 9 as the second decimal number. There are a couple of ways to achieve the rounding.

For someone who is reading the code for the first time, you might ask where the magical number 100.0 comes from.Mkyong.com is providing Java and Spring tutorials and code snippets since 2008. 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. Can we call run() method directly to start a new thread

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 decimal places. Double is … This tutorial provides round double/float to 2 decimal places in java with the help of Math.round and DecimalFormat.

IEEE floating point implementations will do half-rounding, but they do binary half-rounding, not decimal half-rounding. Possible Duplicate: Round a double to 2 significant figures after decimal point.

For example, 5.567 should become 5.57 and 5.534 should become 5.53.

Hence the example below will display erratic result: Similarly, DecimalFormat also supports thousand separator, or a comma for every three digits. How to round off a floatig point value to two places.

Round: This is the process of rounding with dollar amounts and provides the result in more than two decimal places after division. The above example showing the rounded string to 2 decimal places.

?Thank you much…DecimalFormat is really good solution.EditText GridBase = (EditText) findViewById(R.id.GridBase); GridVoltage.setText(String.format(“%.3f”, product));System.out.println(“AFT Math.round(lvForeignPremiumAmount*100.0)/100.0 =”+Math.round(lvForeignPremiumAmount*100.0)/100.0);System.out.println(“AFT formatter.format(lvForeignPremiumAmount)=”+formatter.format(lvForeignPremiumAmount));Therefor Please advice which method could be more accurate.I want to convert value like 5.8987221219522616E-5…want to avoid E value..please let me know if have any idea about it…thanksSaved me a lot of time. For Java 5 and above, the String.format() can be utilized to convert a numeric value to its String representation. The second decimal place number is 8 in the example. If you just need it for display purposes, you can do [code]String.format("%.2f", number); [/code] 100, rounding it and dividing it by 100.0 again. I have: mkm=((((amountdrug/fluidvol)*1000)/60)*infrate)/ptwt; in my Java code. Output. Saved sometime. Both are methods that Java provides.

if you want to round upto 2 decimal places,then use DecimalFormat df = new DecimalFormat("#.##"); roundToMultipleOfFive(Double.valueOf(df.format(number))); if up to 3 places, new DecimalFormat("#.###") So any attempt to perform half-even rounding is going trip up on representational encoding errors. 0 votes .

Here's an utility that rounds (instead of truncating) a double to specified number of decimal places. Double is the type used by default: Below is an example on how to do that: And the output is similar, which logically does not make sense at first glance. i am using math.round() to round …

This is a short guide on how to round a number to 2 decimal places using JavaScript.

... 2. For example: round(200.3456, 2); // returns 200.35 Original version; watch out with this

Java provides two primitive types that can be used for storing decimal numbers: float and double. I'd like to round at most 2 decimal places, but only if necessary.