rounding precision

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 {

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

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:

An integer method for rounding, rounding, ignoring decimals, etc. in one method PHP to take the integer function commonly used four methods, the following collection of four functions, often used to take the whole function, today a small sum!

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 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 (

What are the 8 rounding modes for BigDecimal in Java? The following Changsha Obertek Software Institute and everyone together to learn it:Java.math.BigDecimalImmutable, arbitrary-precision, signed decimal number. The BigDecimal consists of an

First, the computer's fractional calculation is accurate within a certain range, exceeding the range can only approximate value: 计算机存储的浮点数受存储bit位数影响，只能保证一定范围内精准，超过bit范围的只能取近似值。 java中各类型的精度范围参见：http://blog.csdn.net/longshenlmj/article/details/47

In business systems, different customers have different approaches to decimal processing By setting the number of reserved decimal places, as well as the number of decimal digits after the processing method, you can flexibly meet customer

1.BigDecimal Introduction The BigDecimal consists of an arbitrary precision integer Non scale value and a 32-bit integer scale (scale). If it is zero or positive, the scale is the number of digits after the decimal point. If it is a negative number,