This article mainly introduces multiple methods to retain two decimal places in javascript. If the original decimal places of a number are less than two decimal places, the missing digits are automatically set to zero. If you are interested, please
The integer function is often used. let's make a summary today! Actually, it's quite simple, just a few functions ~~ Major methods: ceil, floor, round, intval integer methods such as rounding, rounding, and ignoring decimals
There are four common
PHP custom function round_pad_zero rounded to decimal places and zero
/**
* Rounded to and zero
* By bbs.it-home.org
*/
Function round_pad_zero ($ num, $ precision)
{
If ($ precision
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
Python built-in functions (55) -- round, python built-in 55 round
English document:
round(
Number[,
Ndigits])
Return the floating point value
NumberRounded
NdigitsDigits after the decimal point. If
NdigitsIs omitted, it
Turn http://kwon.iteye.com/blog/1068255 http://blog.csdn.net/tvvbbb/article/details/47256943public static string decimaltostring (decimal D){Return d.tostring ("#0. ######");}This display is very simple to a few examples to understand, notice the
Example of PHP rounding, rounding, and using the round function. Example of using the PHP rounding, rounding, and round functions, and rounding the round decimal places: PHP keeps two decimal places and rounds them to copy the code as follows: $ n0.1
Round
See
Returns the number rounded up by the specified number.
Syntax
Round(Number,Num_digits)
Number.
The number of digits specified by num_digits.
Description
If num_digits is greater than 0, it is rounded to
Ceil is a function for getting a value from the up position; floor is a function for rounding out the decimal places to get a value; round is a function for rounding out. Ceil definition and usage: the ceil () function rounds up to the nearest
How to make float keep two decimal places or decimal placeshttp://meryvn.blog.163.com/blog/static/36962664201173010402629/Two methods:Import java.math.*;......Method 1:float F = 34.232323;BigDecimal B = new BigDecimal (f);Float F1 = B.setscale (2,
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