how to use round function

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

Decimal Example: PHP retains two decimal places and rounded up Copy Code code as follows: $n = 0.1265489; Echo sprintf ("%.2f", $n); 0.13 You can see we used the sprintf function to format the $n%.2f is the target format,

PHP rounding, rounding, round function Use example, rounding round Decimal Example: PHP reserved two decimal places and rounded Copy the Code code as follows:$n = 0.1265489;Echo sprintf ("%.2f", $n); 0.13 As you can see, we used the sprintf

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

Introduction Today and test communication a percent calculation method encountered a problem, I used a strong cast in the stored procedure (32.678 as DECIMAL (5,1)) I think the method will only hold a decimal number, and my response to the test is

Fix (number) and Int (numbers) are integral parts of the returned digits. When number is positive, the two return the same value. For example: Fix (3.6) =3,int (3.6) = 3. When number is negative, Fix removes the decimal part directly, and INT

-- Round-- Returns a numeric expression rounded to the specified length or precision.---- Syntax-- Round (numeric_expression, length [, function])---- Parameter-- Numeric_expression---- Expression of exact or approximate numeric data type (except