rounding quiz

PHP takes integer functions commonly used in four ways: 1. Direct rounding, discarding decimals, preserving integers: intval ();2 Rounding and Rounding: round ();3. Rounding up, there are decimals on the addition of 1:ceil ();4. Rounding Down: Floor (). First, intval-the va

PHP takes integer functions commonly used in four ways:1. Direct rounding, discarding decimals, preserving integers: intval ();2 Rounding and Rounding: round ();3. Rounding up, there are decimals on the addition of 1:ceil ();4. Rounding Down: Floor ().First, intval-the varia

This article mainly introduces the PHP division operations rounded rounding, up rounding, down rounding, the use of fractional interception, has a certain reference value, now share to everyone, there is a need for friends can refer to PHP takes integer functions commonly used in four ways:1. Direct rounding, discardi

Echo round (3.4); 3 Echo round (3.5); 4 Echo round (3.6); 4 Echo Round (3.6, 0); 4 Echo Round (1.95583, 2); 1.96 Echo Round (1241757,-3); 1242000 Echo Round (5.045, 2); 5.04 Echo Round (5.055, 2); 5.06 ?> Copy Code2, Ceil () into a method of rounding echo ceil (4.3); 5 echo ceil (9.999); 10 ?> Copy Code3, floor () to take the whole method of

In dealing with some of the data, we want to be able to use the "rounding" method, but C # uses the "four six into 50% pairs" method, such as the following example, is the "four six into 50% pairs" results obtained:Double D1 = Math.Round (1.25, 1);//1.2Double D2 = Math.Round (1.24, 1);//1.2Double D3 = Math.Round (1.26, 1);//1.3Double d4 = Math.Round (1.35, 1);//1.4In order to achieve "rounding" in C #, I wr

Label:SQL Server ==================================================== "Round rounding Intercept" select round (54.56,0) ==================================================== "Rounding Down" select floor (54.56) ============================================ ======== "rounding up intercept" select ceiling (13.15) --The use of the whole function of MSSQL--Dividi

Double display conversion intStatic void Main (string [] args){Console. WriteLine ("5.1 ~ {0} ", (int) 5.1d );Console. WriteLine ("5.5 ~ {0} ", (int) 5.5d );Console. WriteLine ("5.8 ~ {0} ", (int) 5.8d );Console. WriteLine ("2.1 ~ {0} ", (int) 2.1d );Console. WriteLine ("2.5 ~ {0} ", (int) 2.5d );Console. WriteLine ("2.8 ~ {0} ", (int) 2.8d );Console. WriteLine ("-18.2 ~ {0} ", (int)-18.2f );Console. WriteLine ("-18.5 ~ {0} ", (int)-18.5f );Console. WriteLine ("-18.9 ~ {0} ", (int)-18.9f );Conso

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 function to format the $n%.2f is the target format, where 2 means that two-bit f means float (floating-point) 3rd is a deci

PHP takes integer functions commonly used four methods, the following collection of four functions, often used to take the whole function, a small sum today! Actually very simple, is just a few functions ~ ~ mainly: Ceil,floor,round,intval PHP takes integer functions commonly used in four ways, the following collection of four functions; Often used to take the whole function, today a small sum! Actually very simple, is just a few functions ~ ~ mainly: Ceil,floor,round,intval First, ceil

Python takes the whole ceil down to rounding the floor round, face reading gives an example of the source code.Import math# up the entire print "Math.ceil---" print "math.ceil (2.3) +", Math.ceil (2.3) print "Math.ceil (2.6) =", Math.ceil (2.6) #向下取整print "\nmath.floor---" print "math.floor (2.3) =", Math.floor (2.3) print "Math.floor (2.6) = ", Math.floor (2.6) #四舍五入print" \nround---"print" round (2.3) = ", round (2.3) print" round (2.6) + ", round (

Example of rounding of php Data operations, one-to-one rounding, and rounding Echo round (3.4); // 3 Echo round (3.5); // 4 Echo round (3.6); // 4 Echo round (3.6, 0); // 4 Echo round (1.95583, 2); // 1.96 Echo round (1241757,-3); // 1242000 Echo round (5.045, 2); // 5.04 Echo round (5.055, 2); /

This is a creation in Article, where the information may have evolved or changed. I. Overview The official math package provides the rounding method, rounding up math.Ceil() , rounding down math.Floor() Second, usage 12345678910 Package MainImport ( "FMT" "Math") funcmain() { 1.1 Fmt. Println (Math. Ceil (x)) //2 Fmt. Println (

JS Math [random number, absolute value, rounding, in-one rounding, rounding, maximum, minimum, pi]

Database quiz question 2 and database quiz question 2 Questions on Century jiayuan Network 1. count the number of persons in each category (type: Select type, count (type) from tab_user group by type; 2. Count the total score of five people: Select sum (score) from tab_user; 3. Select the top three according to the score, and sort them in reverse order: Select * from 'tab _ user' order by score des

Mysql quiz and mysql quiz 1. the user logon log table xes_user_login_logs is as follows: (1) retrieve user IDs that have been logged on more than twice (SQL statement) Select user_id from vvt_ceshi group by user_id having (count (user_id)> 1; HAVING is like the WHERE condition, used to retrieve a dataset according to specified requirements. However, the WHERE clause is generally used to specify condit

Python quiz and python quiz A colleague asked a friend a small question and question. As I was learning python, I wanted to write this question in python to practice my hands and work hard, and I was inspired by my colleagues. I wrote the following code: #! /Usr/bin/env python # coding = utf8i = 19j = 1for x in range (1, 21): print I *"", '* j + = 2 I-= 1for y in range (): # This sentence is purely for

Hi all,After I investigated CCR below, I found an rounding issue. The issue is, we can get different resultBetween Linux and Windows platform when we do the decimal rounding with string format or printfunction.Refer to the screenshots first.Pic1 Windows program and result.　　　　　　　　　　　　　　　　　　　Pic1 Windows program and result.Pic2 PIC3 Linux program and resultPic2 Linux ProgramPic3 Linux ResultI use the same s

Double display convert int Copy Code code as follows: static void Main (string[] args) { Console.WriteLine ("5.1~{0}", (int) 5.1d); Console.WriteLine ("5.5~{0}", (int) 5.5d); Console.WriteLine ("5.8~{0}", (int) 5.8d); Console.WriteLine ("2.1~{0}", (int) 2.1d); Console.WriteLine ("2.5~{0}", (int) 2.5d); Console.WriteLine ("2.8~{0}", (int) 2.8d); Console.WriteLine (" -18.2~{0}", (int) -18.2f); Console.WriteLine (" -18.5~{0}", (int) -18.5f); Console.WriteLine ("

JS up rounding, down rounding, rounding createtime--2018 April 14 11:31:21author:marydon//1. Keep only the integer part (discard fractional part)parseint (5.1234);//5//2. Rounding Down (Math.floor (5.1234);//5//3. Rounding up (with decimals, integers + 1)Math.ceil (5.1234);/

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: $ n0.1265489; example of echosp