to nearest decimal

Explanation: mutual conversion of binary, octal, decimal, and hexadecimal values: in addition to the remainder of 2, the integers are arranged in reverse order, that is, each time an integer is divided by 2, and the remainder is the number on the

Fixed-Point types (exact value)-decimal, numeric Decimal (M, d) The decimal and numeric types store exact numeric data values.These types are used when it is important to preserve (SAVE) exact precision (precision), for example with

Turn http://kwon.iteye.com/blog/1068255 http://blog.csdn.net/tvvbbb/article/details/47256943public static string decimaltostring (decimal D){Return d.tostring ("#0. ######");}This display is very simple to a few examples to understand, notice the

Talking about computer and network common carry System: Binary (binary), decimal and hex (hexadecimal)Binary, decimal, and hexadecimal, these binary decimal digits we are most familiar with the following 10 numbers that are first approached from pre-

Decimal module: Processing of decimal There is a large error in the float type with the decimal number in Python, which requires a decimal module to handle it. definition of decimal: >>> fromdecimalimport* >>>x=decimal (' 0.70 ') *decimal (' 1.05 ')

A decimal data type can store up to 38 numbers. All numbers can be placed on the right of the decimal point. The decimal data type stores an accurate (accurate) numeric expression, and does not store approximate values. Two features of defining

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

Decimal () indicates that the decimal point is 14, and the decimal point is 4. the decimal point includes all valid digits, including the decimal point, the number before the decimal point, and the number after the decimal point. Decimal (numeric)

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

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