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I ran into a problem today when I wrote the program. about how to control floating-point numbers only two digits after the decimal point, the normal idea is to use the round function, such as round (A, 2), but in the face of the following problems

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Var sum = 0;For (var I = 0; I Sum ++ = 0.1;}Console. log (sum );Will the above program output 1?Among the 25 JavaScript interview questions that you need to know, the 8th questions briefly explain why JavaScript cannot correctly handle decimal

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

In JS, the general implementation of preserving the decimal point after N, are using the tofixed function The code is as follows: Rounding of the conversion function, as follows: The code is as follows: function Round (v,e) { var t=1;

#-*-Coding:utf-8-*-__author__ = ' Administrator '#数学计算Import decimal# for fixed-point and floating-point arithmetic#文档: Https://docs.python.org/2.7/library/decimal.html?highlight=decimal#module-decimal#使用from_float () can accurately convert

First look at the following program:varsum=0;for(var=010; i++) { sum+=0.1;}console.log(sum);Will the above program output 1?In the 25 JavaScript questions you need to know, the 8th question is plain about why the next JS can't handle the decimal

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// Poj 1131 Al fractions decimal conversion between any hexadecimal notation// You must convert an octal decimal point to a decimal point,// The number of decimal places after conversion is three times the number of decimal places in the first eight

In programming, we usually use 10 hexadecimal notation ...... C/C ++ is a high-level language. For example: Int A = 100, B = 99; However, because the representation of data in a computer exists in binary format, sometimes binary can be used to solve