In PHP, the round () function rounds a floating point number. In PHP, the round () function rounds a floating point number. in this article, the round () function rounds a floating point number. The round () function in PHP is used to round the
This article mainly introduces how the round () function in PHP rounds floating-point numbers. It summarizes various common usage of the round () function through detailed examples, it is a very practical technique. If you need it, you can refer to
This article mainly introduces how the round () function in PHP rounds floating-point numbers. it summarizes various common usage of the round () function through detailed examples, it is a very practical technique. if you need it, you can refer to
PHP rounding, rounding, round function Use example, rounding round
Decimal Example:
PHP reserved two decimal places and rounded
Copy the Code code as follows:$n = 0.1265489;Echo sprintf ("%.2f", $n); 0.13
As you can see, we used the sprintf
This article mainly introduces the PHP rounding, rounding, round function Use example, the need for friends can refer to the following
Decimal Example:
PHP reserved two decimal places and rounded
Copy the Code code as follows:
$n =0.1265489;echo
The comparison between the round () function and trunc () function in Oracle is very practical.
The comparison between the round () function and trunc () function in Oracle is very practical.
In Oracle, the round () function is very useful
What we need to learn today is how to use the round function in Excel to calculate rounding of data. Users may often experience an incomplete remainder or an irregular number of digits after the decimal point, and we can use the round function to
In the front, we introduced the use of the INT function to construct the rounding function, but sometimes we will encounter more decimal rounding, with the INT function construction will be somewhat laborious, Excel round function can help us. The
In Python, the round function truncates the decimals by rounding them.However:>>> round (3.55, 1) 3.5The official documentation for the function is interpreted as:
Unfortunately, most decimal fractions cannot is represented exactly as
The round function in C # is actually not a real rounding function, the general programming language of the round function is not a rounding function, but the banker rounding function, that is, "four homes six into five considerations, five non-zero
Let's take a look at an example:
1: DECLARE @Value float
2: SET @Value = 12.1785
3: SELECT '12.1785' as ValueToRound, ROUND(@Value,3) as RoundedValue
4: SET @Value = 12.1745
5: SELECT '12.1745' as ValueToRound,ROUND(@Value,3) as
Decimal Example:
PHP retains two decimal places and rounded up
Copy Code code as follows:
$n = 0.1265489;
Echo sprintf ("%.2f", $n); 0.13
You can see we used the sprintf function to format the $n%.2f is the target format,
Introduction
Today and test communication a percent calculation method encountered a problem, I used a strong cast in the stored procedure (32.678 as DECIMAL (5,1)) I think the method will only hold a decimal number, and my response to the test is
This example describes how the round () function in PHP rounds the floating-point numbers. Share to everyone for your reference. The specific methods are as follows:
Syntax: Round (X,PREC)
Parameters
Describe
X
In MySQL, the round function is used for rounding data, which has two forms:1, round (x,d), x refers to the number to be processed, d refers to the retention of several decimalsOne of the notable points here is that D can be a negative number, when
How to use the Oracle Round function (rounding) Description: Returns a numeric value that is the result of rounding by the specified number of decimal digits. SELECT ROUND (number, [Decimal_places]) from dual parameter: numbers: The value to be
C Tenth round of language: The function of the big secret"Learning goals"1. Definition of functions2. Use of functions3. Declaration of functions4. Formal parameters and arguments5. Return statement6. Invocation of functionsFunction: A function is a
SyntaxRound (x, prec) parameter descriptionX is optional. Specifies the number to be rounded.Prec is optional. Specifies the number of digits after the decimal point.
DescriptionReturns the result of rounding x to the specified precision prec
1)fix (N) rounding in the 0 direction , which is a class of functions applied to integer values, as in the previous study of the rounding problem, for example, Fix (PI) =3; fix ( -1.3) =-1; fix (1.3) =1;2)round (n): rounded to the nearest integer,
Round () Function: Rounding functionReturns a numeric value that is the result of rounding operations with the specified precision.Syntax: Round (number[,decimals])Number: The function to be processedDecimals: Precision, default is 0;Select round (12
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