# floating point number calculator

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### JS implementation calculator details and instance code (1)

This article mainly introduces how to implement a calculator in JS and related information about the instance code. Here, I will explain the ideas and implementation steps for implementing the calculator. If you need it, you can refer to the

### Scientific calculator (four arithmetic operations of floatingpoint numbers with parentheses can be implemented)

/* Name: scientific calculator (four arithmetic operations of floating-point numbers with parentheses can be implemented) Copyright: Author: Date: 15-09-14 Description: reads a computing expression from a file, converts the computing expression to

### Let's talk about php floatingpoint exact calculation, php floatingpointnumber

Let's talk about php floating point exact calculation, php floating point number 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 \$

### Java Instance---calculator instance

1. The display name of the key on the calculator1.0 InheritanceJFrameclass Public class Calculate extends JFrame {}1.1 Defining constants The display name of the key on the/** calculator */ Public Final String[] KEYS = {"7", "8", "9", "/", "sqrt",

### BC-Floatingpointcalculator, binary conversion for Linux commands

Description of UseBash has built-in support for integer arithmetic, but it does not support floating-point operations, and the BC command can be very handy for floating-point operations, and of course integer arithmetic is no longer spoken. The

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### Floating-point calculations in Java

Remember writing test cases a long time ago and inadvertently discoveringDouble c=2.31;Double d=0.1;System.out.println (C/D);The final output is unexpectedly 23.099999999999998, rather than the simple 23.1, it is obvious that such results will be

### The operation and comparison instance of the shell script handling floating-point numbers _linux shell

The percentage of CPU, memory usage of the process seen through the top command is a floating-point number, and I need to process it while writing the script, so I learned a few things and summarized as follows. In fact, the Shell (here is bash)

### Super powerful calculator-want to know 1000! ?

Some days ago, the teacher made a course design in Java and made a calculator (speechless) in two weeks ), The result is that the calculator is too simple and not challenging. It will be done in half a day, There is still a limit on the result

### The problem of inaccurate operations on floating-point numbers

Http://edu.eoe.cn/online classroom Yesterday I saw a post about a few simple floating-point operations, and the computer would be wrong.Let me introduce it to you :'RunCode: System. Out. println (0.05 + 0.01); System. Out. println (1.0-0.42);

### The problem of PHP floating-point arithmetic precision

In the operation of floating-point numbers in PHP, a hole was encountered, which did not get the expected result, as follows: \$a = 69.1;\$b = \$a *100;\$c = \$b-6910; What do you think the value of \$c is? The value \$c output is -9.0949470177293E-13.

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