how to use round

In PHP, the round () function rounds a floating point number. In PHP, the round () function rounds a floating point number. in this article, the round () function rounds a floating point number. The round () function in PHP is used to round the

This article mainly introduces how the round () function in PHP rounds floating-point numbers. It summarizes various common usage of the round () function through detailed examples, it is a very practical technique. If you need it, you can refer to

This article mainly introduces how the round () function in PHP rounds floating-point numbers. it summarizes various common usage of the round () function through detailed examples, it is a very practical technique. if you need it, you can refer to

SyntaxRound (x, prec) parameter descriptionX is optional. Specifies the number to be rounded.Prec is optional. Specifies the number of digits after the decimal point. DescriptionReturns the result of rounding x to the specified precision prec

C # math. Round () Achieves Chinese rounding   Math. Round () in C # does not use the "Rounding" method. In fact, in VB, VBScript, C #, J #, T-SQL in the round function are using banker's rounding (Banker algorithm), namely:Four Homes, six in five

[BestCoder Round #7] hdu 4985 Little Pony and Permutation (find loop section ), Little Pony and Permutation Problem Description As a unicorn, the ability of using magic is the distinguishing feature among other kind of pony. being familiar with

Round (X,[n]) rounding n reserved fractional number1, when n is not filled, the default is 0, that is, the decimal part is not retainedA, when the fractional part is only 0.5 when the integer part if it is an odd number in 1, if even the fractional

In python, round (x, [n]) uses round (x, [n]) to rounding n to retain the number of fractional parts 1. when n is not entered, the default value is 0, that is, the fractional part is not retained.A. When the decimal part is only 0.5, if the integer

Round (X,[n]) rounding n reserved fractional number 1, when n is not filled, the default is 0, that is, the decimal part is not retainedA, when the fractional part is only 0.5 when the integer part if it is an odd number in 1, if even the

This article is the official HTML5 training course for h5edu institutions, mainly introduces: JavaScript intensive tutorial--javascript Math (Arithmetic) object The function of the Math object is: Perform common arithmetic tasks. Round () How to use