rounding decimals examples

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Rounding, rounding rounding, ignoring decimals and so on integer method Daquan

, because the range of float values is usually larger than the integer. Example 1. Floor () example echo floor (4.3); 4 echo Floor (9.999); 9 ?> Three, round-the floating-point number rounding Description Float round (float val [, int precision]) Returns the result of rounding Val based on the specified precision precision (number of digits after decimal point). Precision can also be negativ

"PHP" into a method of rounding, rounding, ignoring decimals, and so on integer method Daquan

thanintegerbe big. Example1. Floor() ExamplePHPEcho Floor(4.3);//4 Echo Floor(9.999);//9?>Third,round-Rounding out the floating-point numbersfloat round(floatVal [,int precision]) Returns the result of rounding Val based on the specified precision precision (number of digits after decimal point). Precision can also be negative or 0 (the default value). Example1.round() ExamplePHPEcho round(3.4);/

Matlab rounding reserved to specified decimals

Reprint Source: HTTP://BLOG.CSDN.NET/YF210YF Matlab takes the whole function: fix, floor, ceil, round. The rounding function is useful in programming. First, take the whole function 1. To 0 rounding (truncated rounding) fix-to 0 rounding (Round towards zero); >> Fix (3.6) Ans = 3 2. Negative Infinity

Rounding functions in SQL, taking decimals

Tags: partial ast decimal trunc symbol date Max input roundTake the whole function:1. Trunc (value,precision) intercepts a number by precision (precision) and does not perform rounding operations.Returns the X value of the truncated to Y decimal places: Trunc (X,[y]): select trunc(23.33) ------------ 23 2, round (value,precision) input the value [rounding rounding

JavaScript base Math.floor () down rounding the fractional part is not rounded up, there are decimal places to go. A large number of decimals, all

Town Field Poem:The Pure Heart sentiment wisdom language, does not have the world name and the benefit. Learn water under the hundred rivers, give up arrogant slow meaning.Learn to have a small return to feed root, willing to cast a conscience blog. Sincere in this writing experience, willing to see the text to inspire.——————————————————————————————————————————Code1 DOCTYPE HTML>2 HTML>3 Head>4 Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"/>5 title>title>6 Scriptt

C # decimal points reserved Two decimals, rounding function and use method

Math.Round (45.367,2) //Returns 45.37math.round (45.365, 2) // Returns 45.36C # round () is not our Chinese understanding of rounding, is the foreigner's rounding, is in line with the IEEE standard rounding, specifically four six into, the following is in line with the Chinese understand the roundingMath.Round (45.367,2, Midpointrounding.awayfromzero)

js-Rounding Decimals

11. He's smarter ...2 37 82. Friends who will use new things .... But we need ie5.5+.only supported. 9 Ten - the3after summarizing, I wrote a general method of JavaScript rounding with multiple digits. - - //num represents the number to be rounded, and V represents the number of decimal digits to keep. - functiondecimal (NUM,V) + { - varVV = Math.pow (10, V); + returnMath.Round (NUM*VV)/vv; A}js-

JavaScript base Math.ceil () rounding up the fractional part does not round up, there are decimal points in. Decimals are small, they are rounded up.

Town Field Poem:The Pure Heart sentiment wisdom language, does not have the world name and the benefit. Learn water under the hundred rivers, give up arrogant slow meaning.Learn to have a small return to feed root, willing to cast a conscience blog. Sincere in this writing experience, willing to see the text to inspire.——————————————————————————————————————————Code1 DOCTYPE HTML>2 HTML>3 Head>4 Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"/>5 title>title>6 Scriptt

WinCE C # Programming, the float type is rounded to retain two decimal places, decimals for rounding operations, math.round application cases.

Private float Convertfloat4se5ru (float flotvalue) {int ivalue = (int) math.round (Flotvalue * 10000); Two digits before the decimal point are moved forward and roundedFlotvalue = (float) (ivalue/10000.00f);return flotvalue;}Disclaimer: The above text is "Wuhan Han Code Technology Co., Ltd." original, reproduced when must be marked the source.Technology sharing. To communicate with you and me. Progress together!Www.hanma-scan.com WinCE C # Programming, the float type is rounded to retain two

Java Rounding retains decimals

//Way One:Doublef = 3.1516; BigDecimal b=NewBigDecimal (f);DoubleF1 = B.setscale (2, bigdecimal.round_half_up). Doublevalue (); //Way Two:NewJava.text.DecimalFormat ("#.00"). Format (3.1415926);//#.00 represents two decimal places #.0000 four decimal places and so on ...//Way Three:DoubleD = 3.1415926; String result= String.Format ("%.2f", d);//%.2f%. Indicates that any number of digits before the decimal point of 2 indicates that the result of the two-bit decimal format is F for floating-point.

Java rounding enables Java to retain 2-bit decimal examples to explain _java

Copy Code code as follows: /* * Test Rounding */ Package com.icer.test; /** * * @author Hanbin */ public class Myround { public static void Main (string[] args) { Double num = 3.23562; Double number = 0; Number = new Myround (). Myround (num,2); System.out.println ("After:" + number); } Private double Myround (double Number,int index) { Double result = 0; Double temp = Math.pow (ten, index); result = Math.Round (number*temp)

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