decimal to mixed number

JS, how to determine whether a number is a decimal? If it is a decimal, how to judge it is a few decimal??

=num1.tostring (). Split (".") [1].length;} catch (e) {sq1=0;} Try{sq2=num2.tostring (). Split (".") [1].length;} catch (e) {sq2=0;} M=math.pow (10,math.max (SQ1,SQ2)); return (NUM1 * m + num2 * m)/m;} Of course, simplicity can also be written as alert (NUM * 3 + 10 * 3)/3); This also does not appear n many decimal places. Alert ((NUM * 3 + 10 * 3)/3); With alert (num + 10); There is a difference between the two ways in which computers are conve

exponential digits; 51-0 bits, a total of 52 bits are the ending bits. According to the IEEE floating point number representation, the double Floating Point Number 38414.4 is converted to the hexadecimal code below. Enable integer and decimal parts: Convert integer parts directly into hexadecimal: 960E. Decimal proc

Convert any decimal places into 2, 3, 4, 5, 6, 7, 8, and 9 decimal places, retain 8 digits after the decimal point, and output. For example, if the decimal point is 0.795, the output is: Decimal decimal

Title DescriptionThe 1234 output of the decimalOutputs the octal 1234 corresponding to its decimal numberOutputs the hexadecimal 1234 corresponding to its decimal numberInputNoOutput1234d=1234d1234o=668d1234h=4660dSample output1234d=1234d1234o=668d1234h=4660dTipsOutput the second line of "1234o=668d", 1234 is the capital letter O, not the number 0The code is as f

The number of decimal places in a repeating prime number must be smaller than that in the prime number itself. Generally, decimal places with the reciprocal of prime numbers are complex. Because the reciprocal of prime numbers is also a fraction, it must be a round-robi

Written in front of the words: Today to help colleagues solve a problem, is a decimal multiplication of many decimal places problem; This problem has been encountered before, and now deliberately to sum up; Number type: The number type is the most commonly used and most interesting type in ECMAScript; This type uses

In the project, you use the truncation method to take two digits after the decimal point, so the following methods are written: Copy Code code as follows: Truncates a decimal value by the specified number of decimal places public static decimal ToFixed (

JS How to implement a number to keep two decimal places after the decimal point:It is a common form to retain two decimal places after the decimal point, as it is relatively simple, the following examples are given directly below.The code is as follows:var num=3.1415926; Con

Decimal (P[,s]), where p is precision and S is the number of decimal digitsP (Precision) The total number of decimal digits that can be stored, including the number of digits to the left and right of the

Tags: no character format nbsp sysdate start Ceil Special examplesAbout several Oracle functions that handle the number of decimal places ()1. Rounding of several decimalsSelect Round (1.2345, 3) from dual;Results: 1.2352. Reserved two decimal places, onlySelect Trunc (1.2345, 2) from dual;Results: 1.23 Select Trunc (1.2399, 2) from dual; Results: 1.233. Take an

1, the authentication method Validationnumber (E, num) e is the label object, and Num stands for the number of decimal digits. function Validationnumber (e, num) { var regu =/^[0-9]+\.? [0-9]*$/; if (E.value!= "") { if (!regu.test (E.value)) { alert ("Please enter correct number"); E.value = e.value.substring (0, e.

Today, in C #, you encounter a problem that requires you to convert a double to a string display, requiring you to keep the decimal digits.Check out the relevant articles on the InternetSpecific as follows:Double temp=3.1415926;F Fixed point:string str1=temp.tostring ("F1");//Keep one decimal rounding Result: 3.1F Fixed point:string str2=temp.tostring ("F2");//reserved Two

This article mainly introduces jquery to determine the decimal point two digits and automatically delete decimal two digits after the number, the need for friends can refer to the following jquery to determine the decimal point two digits and automatically delete decimal t

Tags: style class blog Code java HTTPabout several Oracle functions that handle the number of decimal places ()1. Take a few decimals roundedSelect round(1.2345,3) fromdual; Results:1.2352. Keep two decimal places, onlySelectTrunc1.2345,2) fromdual; Results:1.23SelectTrunc1.2399,2) fromdual; Results:1.233take an integer to return the largest integer greater than

jquery determines the number of decimal points two digits and automatically deletes decimal two digits Basically, enter 12.235689741 It's going to be 12.23, not rounded up. The JavaScript basics should be visible. Do not explain Copy Code code as follows: $ ("#fileds"). Find ("Input"). blur (function () { var value=$ (this). Val () ; i

This article mainly introduces jquery's number after determining two decimal places and automatically deleting two decimal places. If you need a friend, you can refer to jquery's number after determining two decimal places and automatically deleting two

In C language, convert the string (decimal and hexadecimal) to a decimal number. The following code extracts the hexadecimal and hexadecimal numbers of a string: # Include Typedef char TUINT8; typedef int TUINT32; TUINT32 Read_DecNumber (const TUINT8 * str); TUINT32 Read_HexNumber (const TUINT8 * str); int main (void) {int ret = Read_DecNumber ("1000"); int

First you need to have #include Second such as Double sum=10; Cout where Setiosflags (ios::fixed) do not write wrong it with the back of the Setprecision (1) used to control the output decimal point after the number of digits, that is, a bit 10.0; If only setprecision (1) represents a decimal 1e+001 with a valid number