rounding two digit numbers

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);//

BigDecimal Rounding Mode Description:Rounding mode is inside Java.math.RoundingMode:Roundingmode.ceiling: Rounding mode rounded to the positive infinity direction. If the result is positive, the rounding behavior is similar to Roundingmode.up, and

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

Double display conversion int 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

Calculation of floating-point numbers in PHP and the solution of inaccurate rounding, rounding inaccurate Comparison of floating-point calculation resultsA floating-point calculation example is as follows: Copy the Code code as follows:$a = 0.2+0.7;

The Java.math.BigDecimal class provides arithmetic, scale operations, rounding, comparison, hashing algorithms, and format conversion operations.The ToString () method provides a canonical representation of the BigDecimal. It gives the user full

      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

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 d1 =