how to round decimal numbers

This example describes how the round () function in PHP rounds the floating-point numbers. Share to everyone for your reference. The specific methods are as follows: Syntax: Round (X,PREC) Parameters Describe X

This article mainly introduces how the round () function in PHP rounds floating-point numbers. It summarizes various common usage of the round () function through detailed examples, it is a very practical technique. If you need it, you can refer to

This article mainly introduces how the round () function in PHP rounds floating-point numbers. it summarizes various common usage of the round () function through detailed examples, it is a very practical technique. if you need it, you can refer to

The number of decimal places in a repeating prime number must be smaller than that in the prime number itself. Generally, decimal places with the reciprocal of prime numbers are complex. Because the reciprocal of prime numbers is also a

I ran into a problem today when I wrote the program. about how to control floating-point numbers only two digits after the decimal point, the normal idea is to use the round function, such as round (A, 2), but in the face of the following problems

Round Numbers Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10223 Accepted: 3726 DescriptionThe cows, as you know, has no fingers or thumbs and thus is unable to play

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

Https://www.cnblogs.com/herbert/p/3402245.htmlBasisThe floating-point number is represented by the machine's double-precision (a-bit) of the floating-point number. provides approximately 17 bits of precision and ranges from 308 to 308 of the

Processing of numbers by Oracletrunc () and round () Functions Processing numbers by Oracle trunc () and round () Functions 1. TRUNC Function 1. TRUNC (for dates) The date value intercepted by the TRUNC function for the specified element.The

Http://www.cnblogs.com/kingwolfofsky/archive/2011/07/21/2112299.html floating point numbers 1. What are floating point numbers In the process of computer system development, several methods have been proposed to express real numbers. Typically, for