MySQL Rounding function round (x)The ROUND (x) function returns the integer closest to parameter x, rounding the X value.Instance:The operand is rounded using the round (x) function. The SQL statements are as follows:Mysql>select ROUND ( -2.34),
The project uses the truncation method to get the last two digits of the decimal point, so the following method is written:
Copy codeThe Code is as follows: //
/// Truncates a small value by a specified decimal point
///
/// decimals to be
I have been engaged in ASP. NET in C # development for almost a year. Today I know that the truncation method is not used when the number of decimal places is retained in C.The project uses the truncation method to get the last two digits of the
The problem of formatting the floating-point number, using Format (col,2) to retain the two-bit decimal point, there is a problem, such as the following statement, after we give a workaroundSELECT FORMAT (12562.6655,2);Results: 12,562.67View
Adjust the decimal format, such as retaining the last two digits of the decimal point, the following articles collect some good implementation methods and share some of them. During the development process, we often encounter the need to adjust the
1, round (X,D): For data rounding, round (x), in fact, is round (x,0), also is the default d is 0;One of the notable points here is that D can be a negative number, when the D-bit integer bit to the left of the specified decimal point is 0, and the
In the development process, you often encounter formatting to adjust decimals, such as two digits after the decimal point, and so on. Methods are also quite common, as is the memo below.
The first, using Math.Round
var original=28.453
1)//round
Copy Code code as follows:
SELECT FORMAT (12562.6655,2);
Result: 12,562.67
Viewing documents: Formats The number X to a format like ' #,###,###.## ', rounded to D decimal places, and returns the result as a string . If D is 0, the
Knowledge point:
1. system. Math. Pi
2. system. Math. truncate () // get the integerProblem:
You need to find the integer part of a decimal or double number.Solution
If a decimal or double number is truncated to the number closest to 0, the integer
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