In C#, the result of Math.Round(2.5) is 2. It is supposed to be 3, isn’t it? Why is it 2 instead in C#? 15 Answers 15 Firstly, this wouldn’t be a C# bug anyway – it would be a .NET bug. C# is the language – it doesn’t decide how Math.Round is implemented. And secondly, … Read more
I am getting a lot of decimals in the output of this code (Fahrenheit to Celsius converter). My code currently looks like this: def main(): printC(formeln(typeHere())) def typeHere(): global Fahrenheit try: Fahrenheit = int(raw_input(“Hi! Enter Fahrenheit value, and get it in Celsius!\n”)) except ValueError: print “\nYour insertion was not a digit!” print “We’ve put your … Read more
Can you round a number in javascript to 1 character after the decimal point (properly rounded)? I tried the *10, round, /10 but it leaves two decimals at the end of the int. 23 s 23 Math.round(num * 10) / 10 works, here is an example… var number = 12.3456789 var rounded = Math.round(number * … Read more
This question already has answers here: How to round a number to n decimal places in Java (37 answers) Closed 7 years ago. If the value is 200.3456, it should be formatted to 200.34. If it is 200, then it should be 200.00. 13 s 13
In the following program you can see that each value slightly less than .5 is rounded down, except for 0.5. for (int i = 10; i >= 0; i–) { long l = Double.doubleToLongBits(i + 0.5); double x; do { x = Double.longBitsToDouble(l); System.out.println(x + ” rounded is ” + Math.round(x)); l–; } while (Math.round(x) … Read more
I have this line of code which rounds my numbers to two decimal places. But I get numbers like this: 10.8, 2.4, etc. These are not my idea of two decimal places so how I can improve the following? Math.round(price*Math.pow(10,2))/Math.pow(10,2); I want numbers like 10.80, 2.40, etc. Use of jQuery is fine with me. 3Best … Read more
How does one round a number UP in Python? I tried round(number) but it rounds the number down. Example: round(2.3) = 2.0 and not 3, as I would like. The I tried int(number + .5) but it round the number down again! Example: int(2.3 + .5) = 2 28 s 28 The ceil (ceiling) function: … Read more
What’s the correct way to round a PHP string to two decimal places? $number = “520”; // It’s a string from a database $formatted_number = round_to_2dp($number); echo $formatted_number; The output should be 520.00; How should the round_to_2dp() function definition be? 25 s 25 You can use number_format(): return number_format((float)$number, 2, ‘.’, ”); Example: $foo = … Read more
What I would like is a method to convert a double to a string which rounds using the half-up method – i.e. if the decimal to be rounded is 5, it always rounds up to the next number. This is the standard method of rounding most people expect in most situations. I also would like … Read more
I’d like to round at most 2 decimal places, but only if necessary. Input: 10 1.7777777 9.1 Output: 10 1.78 9.1 How can I do this in JavaScript? 8 88
