# precise numbers

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### Chapter 2 Precise Calculation of Java floating point numbers and Chapter 2 java floating point numbers

Chapter 2 Precise Calculation of Java floating point numbers and Chapter 2 java floating point numbers 1. Practical Significance In actual development, if precise float or double computing (especially financial computing) is required ), directly

### Because Java's simple type does not accurately operate on floating-point numbers, this tool class provides precise floating-point arithmetic, including subtraction and rounding

public class Arith {/** * because Java's simple type does not accurately calculate floating-point numbers, this tool class provides precise floating-point arithmetic, including subtraction and rounding. *///Default division operation precision

### Precise Calculation of js floating point numbers (addition, subtraction, multiplication, division)

Copy codeThe Code is as follows: // Note: The javascript addition result has an error, which is obvious when the two floating point numbers are added. This function returns a more accurate addition result.// Call: accAdd (arg1, arg2)// Return value:

### Because Java's simple type does not accurately operate on floating-point numbers, this tool class provides precise floating-point arithmetic, including subtraction and rounding.

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,

### The BC series function for precise operation of PHP floating-point numbers

BC is the abbreviation for binary calculator. The arguments to the bc* function are the operands plus an optional [int scale], such as String Bcadd (String \$left _operand, String \$right _operand[, int \$scale]), if scale is not provided , the default

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### Implement precise floating point calculation in Java

Question:What do we see if we compile and run the following program?Public class Test {Public static void main (String args []) {System. out. println (0.05 + 0.01 );System. out. println (1.0-0.42 );System. out. println (4.015*100 );System. out.

### [Beauty of programming] 2.6 precise expression of Floating Point Numbers

Question: Give a finite decimal or an infinite repeating decimal number, and use the smallest denominator to accurately express this number with a fraction. Parentheses indicate the cyclic part, for example: 0.3, 0.3 (3), 0.3 (0)   Thought: I saw it,

### [Reprint] precise timing based on windows in VC

Precise Timing based on windows in VCYouzhiyu, Institute of optoelectronic technology, Chinese Emy of SciencesDownload Sample projectIn the industrial production control system, there are many operations that require timed completion, such as

### Js: precise calculation, numeric formatting, and direct introduction of javascript file _ javascript skills

This article introduces you to precise calculation, numerical formatting, and direct introduction of js files. The Code is as follows: (Function (){Var calc = {/*The addition function is used to obtain accurate addition results.Note: The addition

### PHP: bcmath PHP precise floating point operation

BC is short for Binary calculator. BC * function parameters are all operands plus an optional [int scale], such as string bcadd (string \$ left_operand, string \$ right_operand [, int \$ scale]). If scale is not provided, use the default value of

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