rounding decimals 5

The simple floating-point number types in Java float and double are not capable of operation. It's not just Java, it's also a problem in many other programming languages.What will we see if we compile and run the following program?public class Test {

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);//

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

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

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，intvalPHP Four

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

Take 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) ------------232,

Rounding off Decimal rounding: Math.floor (2) =2Rounding off Decimal rounding: Math.floor (2.1) =2Rounding off Decimal rounding: Math.floor (-2.1) =-3Rounding off Decimal rounding: Math.floor (-2.5) =-3Rounding off Decimal rounding: Math.floor (2.9)

      When processing some data, we hope to use the "Rounding" method, but C # uses the "four homes, six homes, five into two" method, as shown in the following example, the result is obtained using "four homes, six homes, and five into two: double

When processing some data, we hope to use the "Rounding" method, but C # uses the "four homes, six homes, five into two" method, as shown in the following example, the result is obtained using "four homes, six homes, and five into two: Code