round off to 3 decimal places

public static double round(double value, int scale,int roundingmode) { BigDecimal bd = new BigDecimal(value); bd = bd.setScale(scale,roundingmode); double d = bd.doubleValue(); bd = null; return d; } Scale indicates the number of decimal places, and

See the topic believe that a lot of small partners will think of using rounding method to achieve, this is also a way, then there are other methods, we will take you to understand the PHP implementation of two decimal places to save several

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

BasisThe 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 exponent. Same as the double type in the C language.

Hi all,After I investigated CCR below, I found an rounding issue. The issue is, we can get different resultBetween Linux and Windows platform when we do the decimal rounding with string format or printfunction.Refer to the screenshots first.Pic1

Decimal (numeric) synonymous, used to store numeric values accurately.The decimal data type can store up to 38 digits, and all numbers can be placed to the right of the decimal point. The decimal data type stores an accurate (precise) representation

Decimal (numeric) synonymous for precise storage of numeric valuesfloat and real cannot store values accuratelyThe decimal data type can store up to 38 digits, and all numbers can be placed to the right of the decimal point. The decimal data type

ABS (x ):Basic syntax and crystal syntax.Parameter: X is the number or currency in which you want to return the absolute value.Return Value: Numeric ValueOperation: ABS (x) returns the absolute value of X.Example:ABS (1, 1.50)1.50 is returned. ABS (-

1, the output of integers%o--oct octal%d--dec Decimal%x--hex Hex1 >>> print ('%o '%) 2 243 >>> print ('%d ') 4 205 >>> print ('%x '% 20) 6 142, floating point output(1) Formatted output%f--retain six digits after the decimal point%.3f, 3 decimal

String. format description C # format the value result table Character Description Example Output C Currency String. Format ("{0: C3}", 2) $2.000