Questions tagged [decimal]
Decimal is the name for our common base-ten numeral system. It may also refer to non-integer values expressed with a decimal point.
7,626
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Difference between decimal, float and double in .NET?
What is the difference between decimal, float and double in .NET?
When would someone use one of these?
Tom
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39
answers
2.1m
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How to round a number to n decimal places in Java
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 ...
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decimal vs double! - Which one should I use and when? [duplicate]
I keep seeing people using doubles in C#. I know I read somewhere that doubles sometimes lose precision.
My question is when should a use a double and when should I use a decimal type?
Which type is ...
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How do I display a decimal value to 2 decimal places?
When displaying the value of a decimal currently with .ToString(), it's accurate to like 15 decimal places, and since I'm using it to represent dollars and cents, I only want the output to be 2 ...
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13
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How to convert Decimal to Double in C#?
I want to assign the decimal variable "trans" to the double variable "this.Opacity".
decimal trans = trackBar1.Value / 5000;
this.Opacity = trans;
When I build the app it gives ...
498
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16
answers
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How do you round a number to two decimal places in C#?
I want to do this using the Math.Round function
Laila
458
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6
answers
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What does the M stand for in C# Decimal literal notation?
In order to work with decimal data types, I have to do this with variable initialization:
decimal aValue = 50.0M;
What does the M part stand for?
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32
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Get decimal portion of a number with JavaScript
I have float numbers like 3.2 and 1.6.
I need to separate the number into the integer and decimal part. For example, a value of 3.2 would be split into two numbers, i.e. 3 and 0.2
Getting the integer ...
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14
answers
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How can I remove the decimal part from JavaScript number?
I have the results of a division and I wish to discard the decimal portion of the resultant number.
How can I do this?
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355
votes
24
answers
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Python JSON serialize a Decimal object
I have a Decimal('3.9') as part of an object, and wish to encode this to a JSON string which should look like {'x': 3.9}. I don't care about precision on the client side, so a float is fine.
Is there ...
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Float vs Decimal in ActiveRecord
Sometimes, Activerecord data types confuse me. Err, often. One of my eternal questions is, for a given case,
Should I use :decimal or :float?
I've often come across this link, ActiveRecord: :...
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How do I interpret precision and scale of a number in a database?
I have the following column specified in a database: decimal(5,2)
How does one interpret this?
According to the properties on the column as viewed in SQL Server Management studio I can see that it ...
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302
votes
11
answers
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Java String remove all non numeric characters but keep the decimal separator
Trying to remove all letters and characters that are not 0-9 and a period. I'm using Character.isDigit() but it also removes decimal, how can I also keep the decimal?
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When should I use double instead of decimal?
I can name three advantages to using double (or float) instead of decimal:
Uses less memory.
Faster because floating point math operations are natively supported by processors.
Can represent a larger ...
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299
votes
8
answers
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How to store decimal values in SQL Server?
I'm trying to figure out decimal data type of a column in the SQL Server. I need to be able to store values like 15.5, 26.9, 24.7, 9.8, etc
I assigned decimal(18, 0) to the column data type but this ...
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290
votes
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answers
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Decimal precision and scale in EF Code First
I'm experimenting with this code-first approach, but I'm find out now that a property of type System.Decimal gets mapped to a sql column of type decimal(18, 0).
How do I set the precision of the ...
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289
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9
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Formatting a float to 2 decimal places
I am currently building a sales module for a clients website. So far I have got the sale price to calculate perfectly but where I have come stuck is formatting the output to 2 decimal places.
I am ...
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18
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How do I restrict a float value to only two places after the decimal point in C?
How can I round a float value (such as 37.777779) to two decimal places (37.78) in C?
Tyler
267
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13
answers
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259
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7
answers
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Format decimal for percentage values?
What I want is something like this:
String.Format("Value: {0:%%}.", 0.8526)
Where %% is that format provider or whatever I am looking for.
Should result: Value: %85.26..
I basically need it for wpf ...
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249
votes
23
answers
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Remove trailing zeros
I have some fields returned by a collection as
2.4200
2.0044
2.0000
I want results like
2.42
2.0044
2
I tried with String.Format, but it returns 2.0000 and setting it to N0 rounds the other values ...
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233
votes
25
answers
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range() for floats
Is there a range() equivalent for floats in Python?
>>> range(0.5,5,1.5)
[0, 1, 2, 3, 4]
>>> range(0.5,5,0.5)
Traceback (most recent call last):
File "<pyshell#10>", line 1,...
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votes
5
answers
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What are the parameters for the number Pipe - Angular 2
I have used the number pipe below to limit numbers to two decimal places.
{{ exampleNumber | number : '1.2-2' }}
I was wondering what the logic behind '1.2-2' was? I have played around with these ...
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votes
28
answers
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Integer to hex string in C++
How do I convert an integer to a hex string in C++?
I can find some ways to do it, but they mostly seem targeted towards C. It doesn't seem there's a native way to do it in C++. It is a pretty simple ...
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203
votes
6
answers
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Format number to 2 decimal places
I would like to know how can I output a number with 2 decimal places, without rounding the original number.
For example:
2229,999 -> 2229,99
I already tried:
FORMAT(2229.999, 2)
CONVERT(2229....
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13
answers
1.1m
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Write a number with two decimal places SQL Server
How do you write a number with two decimal places for sql server?
student2009
196
votes
30
answers
176k
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Remove useless zero digits from decimals in PHP
I'm trying to find a fast way to remove zero decimals from number values like this:
echo cleanNumber('125.00');
// 125
echo cleanNumber('966.70');
// 966.7
echo cleanNumber(844.011);
// 844.011
...
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195
votes
8
answers
650k
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Convert decimal to binary in python [duplicate]
Is there any module or function in python I can use to convert a decimal number to its binary equivalent?
I am able to convert binary to decimal using int('[binary_value]',2), so any way to do the ...
- 1,999
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votes
8
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Hexadecimal To Decimal in Shell Script
Can someone help me to convert a hexadecimal number to decimal number in a shell script?
E.g., I want to convert the hexadecimal number bfca3000 to decimal using a shell script. I basically want the ...
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How do I convert hex to decimal in Python? [duplicate]
I have some Perl code where the hex() function converts hex data to decimal. How can I do it on Python?
- 2,336
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votes
39
answers
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How to get numbers after decimal point?
How do I get the numbers after a decimal point?
For example, if I have 5.55, how do i get .55?
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186
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answers
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How can I format a String number to have commas and round?
What is the best way to format the following number that is given to me as a String?
String number = "1000500000.574" //assume my value will always be a String
I want this to be a String with the ...
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answers
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How to convert numbers between hexadecimal and decimal
How do you convert between hexadecimal numbers and decimal numbers in C#?
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Android - Round to 2 decimal places [duplicate]
Possible Duplicate:
Round a double to 2 significant figures after decimal point
I know that there are plenty of examples on how to round this kind numbers.
But could someone show me how to round ...
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votes
9
answers
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Precise Financial Calculation in JavaScript. What Are the Gotchas?
In the interest of creating cross-platform code, I'd like to develop a simple financial application in JavaScript. The calculations required involve compound interest and relatively long decimal ...
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155
votes
4
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Limit to 2 decimal places with a simple pipe
I have found an example which limits a number to 2 decimal places AND turns the figure into a currency amount- eg £2.55.
{{ number | currency : 'GBP' : true : '1.2-2'}}
Is there a simple pipe which ...
- 4,537
145
votes
5
answers
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Cast a Double Variable to Decimal
How does one cast a double to decimal which is used when doing currency development. Where does the M go?
decimal dtot = (decimal)(doubleTotal);
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13
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Double decimal formatting in Java
I'm having some problems formatting the decimals of a double. If I have a double value, e.g. 4.0, how do I format the decimals so that it's 4.00 instead?
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8
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convert a JavaScript string variable to decimal/money
How can we convert a JavaScript string variable to decimal?
Is there a function such as:
parseInt(document.getElementById(amtid4).innerHTML)
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14
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Best way to display decimal without trailing zeroes
Is there a display formatter that will output decimals as these string representations in c# without doing any rounding?
// decimal -> string
20 -> 20
20.00 -> 20
20.5 -> 20.5
20.5000 -&...
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134
votes
17
answers
232k
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Force decimal point instead of comma in HTML5 number input (client-side)
I have seen that some browsers localize the input type="number" notation of numbers.
So now, in fields where my application displays longitude and latitude coordinates, I get stuff like &...
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6
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How to convert a decimal number into fraction?
I was wondering how to convert a decimal into a fraction in its lowest form in Python.
For example:
0.25 -> 1/4
0.5 -> 1/2
1.25 -> 5/4
3 -> 3/1
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Find number of decimal places in decimal value regardless of culture
I'm wondering if there is a concise and accurate way to pull out the number of decimal places in a decimal value (as an int) that will be safe to use across different culture info?
For example:
19.0 ...
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Remove trailing zeros from decimal in SQL Server
I have a column DECIMAL(9,6) i.e. it supports values like 999,123456.
But when I insert data like 123,4567 it becomes 123,456700
How to remove those zeros?
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C++ - Decimal to binary converting
I wrote a 'simple' (it took me 30 minutes) program that converts decimal number to binary. I am SURE that there's a lot simpler way so can you show me?
Here's the code:
#include <iostream>
#...
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8
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Best way to get whole number part of a Decimal number
What is the best way to return the whole number part of a decimal (in c#)? (This has to work for very large numbers that may not fit into an int).
GetIntPart(343564564.4342) >> 343564564
...
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How to calculate difference in hours (decimal) between two dates in SQL Server?
I have to calculate the difference in hours (decimal type) between two dates in SQL Server 2008.
I couldn't find any useful technique to convert datetime to decimal with 'CONVERT' on MSDN.
Can ...
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Easy way of finding decimal places
Is there an easy way or integrated function to find out the decimal places of a floating point number?
The number is parsed from a string, so one way is to count the digits after the . sign, but that ...
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98
votes
9
answers
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Moving decimal places over in a double
So I have a double set to equal 1234, I want to move a decimal place over to make it 12.34
So to do this I multiply .1 to 1234 two times, kinda like this
double x = 1234;
for(int i=1;i<=2;i++)
{
...
- 1,437
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3
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Two decimal places using printf( )
I'm trying to write a number to two decimal places using printf() as follows:
#include <cstdio>
int main()
{
printf("When this number: %d is assigned to 2 dp, it will be: 2%f ", 94.9456, 94....
aali