rounding numbers to one decimal place

The integer function is often used. let's make a summary today! Actually, it's quite simple, just a few functions ~~ Major methods: ceil, floor, round, intval integer methods such as rounding, rounding, and ignoring decimals There are four common

Double display convert int Copy Code code as follows: 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);

The conversion between decimal and binary (1) Decimal conversion to binary, divided into integers and decimal parts ① integral number of parts Method: In addition to 2, in reverse order, that is, each part of the integer divided by 2, the

One, the conversion between decimal and binary (1) Decimal conversion to binary, divided into integers and fractional parts ① whole number of parts Methods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder

I. Introduction of BigDecimalJava.math.BigDecimalImmutable immutable, arbitrary-precision, signed decimal number. The BigDecimal consists of an integer non-scaling value of arbitrary precision and a 32-bit integer scale (scales).Scaling (scale) if

One, the conversion between decimal and binary(1) Decimal conversion to binary, divided into integers and fractional parts① whole number of partsMethods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder is

one or 10 conversion between binary and binary(1) Decimal conversion to binary, divided into integers and fractional parts① Integer PartMethods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder is the

Computer Basics: Binary, octal, decimal, hex 2006-11-29 20:23 one or 10 binary number The decimal number is the most widely used counting system in daily life. The symbols that make up the decimal number have a total of 10 symbols such

Package com.minxinloan.utils;Import Java.math.BigDecimal;public class Arith {Source file Arith.java:/*** Because Java's simple type does not accurately operate on floating-point numbers, this tool class provides accurate floating-point arithmetic,

Numbers, cardinality and representations integerIntegers are these familiar numbers ...,-1, 0, +1, +2, .... Integer values are also referred to as ' complete ' and are divided into positive numbers (1 to infinity), negative numbers (-1 to