This article is the official HTML5 training course for h5edu institutions, mainly introduces: JavaScript intensive tutorial--javascript Math (Arithmetic) object The function of the Math object is: Perform common arithmetic tasks. Round () How to use
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,
In math. when performing data processing, round often encounters a situation where 81.25 retains a decimal number, and the value is 81.2. It is searched by material and math. the round rounding algorithm adopts the banker's rounding algorithm, which
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
Problem ABetween the officesWater problem, water a water.1#include 2 using namespacestd;3 intN;4 Chars[ $];5 intMain ()6 {7Cin>>N;8 intcnt1=0, cnt2=0;9scanf"%s", s);Ten for(intI=0; i1; i++) One { A if(s[i]=='S'&& s[i+1]=='F')
A. Between the Officestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard OUTP UtAs may know, Memsql have American offices in both San Francisco and Seattle. Being a manager in the company, your travel a
The round function can be rounded, it is a rounding function, the following is a look at the syntax of round:1 Math.Round (number)Let's look at a few examples:
The code is as follows
Copy Code
1 document.write
Loop Problems
Array
1. Loop Problems
1.1. Loop Problems
1.1.1. Loop Problems
In actual application, when one or more tasks need to be repeated multiple times, consider using loops.
Solution: in the preceding three types of loops (while, do-while,
This article mainly introduces the round function code in PHP (floor function, ceil function, round and intval), has a certain reference value, now share to everyone, the need for friends can refer to
When working with floating-point numbers in PHP,
Before going into the review, let's look at the Pro 5 basic hardware parameters, as detailed below.
Phantom Pro 5 Basic parameters
Main screen Size
5.7-inch 1920x1080 resolution (386PPI)
Fuselage size
156.
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