two decimal digits

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

There is no myth. Let's talk about decimal's "blind eye" and decimal's blind eye.0x00 Preface In the last article "compromise and trade-offs, deconstruct decimal operations in C #", many of my friends talked about the decimal type in C. In fact, the

Use JavaScript to take float type two digits after the decimal point, example 22.127456 to 22.13, how to do? 1. Discard the fractional part and keep the whole number of parts parseint (5/2) 2. Take up the whole, there are decimal numbers on the

  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

IOS returns a numeric string with no digits before the decimal point and two digits after the decimal point. ios decimal point /** Process a string with a number plus a decimal point. There is no 0 before it, and two digits are retained. There is a

IOS TextField Enter the amount of the limit, 9 digits before the decimal point, two digits later, if no decimal point, the maximum number of digits is 9 bits, plus the decimal point, the maximum number of digits is 12 bits, the maximum number of

The problem of formatting the floating-point number, using Format (col,2) to retain the two-bit decimal point, there is a problem, such as the following statement, after we give a workaroundSELECT FORMAT (12562.6655,2);Results: 12,562.67View

In js, the most common method for getting the decimal point and the two decimal points is the rounding function. I have previously introduced this common function in js, which is useful here, next let's take a look at some methods to sum up the two

Import Java.text.DecimalFormat; DecimalFormat DF = new DecimalFormat ("##### #0."); Double D1 = 3.23456 double d2 = 0.0; Double d3 = 2.0; Df.format (d1); Df.format (D2); 3 results were: 3.23 0.00 2.00 Java preserves two-bit

Calculate the percentage of two numbers in js, retain the percentage of the two digits after the decimal point, js decimal pointFunction Percentage (number1, number2 ){Return (Math. round (num/total * 10000)/100.00 + "%"); // percentage of the two