display 2 decimal places in c

Document directory 1. scanf function-related applications 2. Retrieve decimal places from a string of characters 3. Copy two files 4. pointer operations 5. stdout, stdin, stderr 6. sscanf and sprintf Functions  1. scanf function-related

Floating point Type name cts Type description significant Figures range (approximate) float system.single 32-bit single-precision floating point 7

It's been weird. Why is a decimal added to the predefined data types of C #, and is it enough to have float and double? Come and dig a hole today. Floating-point type Name CTS Type De script ion Significant figures Range

Transferred from: http://www.cnblogs.com/lovewife/articles/2466543.htmlSingle precision refers to a 4-byte floating-point number, which is the floatA double is a 8-byte floating-point number, which is doubleDecimal is a high precisionFloating point

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

It's always strange why a decimal is added to the pre-defined data type of C #. Isn't float and double enough? I am going to dig it out today. Floating Point Type    Name  CTS Type  De script ion  Significant Figures  Range

Have a tried this?CGFloat val = 37.777779;CGFloat Rounded_down = Floorf (val * 100)/100; /* result:37.77 */CGFloat nearest = Floorf (val * 100 + 0.5)/100; /* result:37.78 */CGFloat rounded_up = Ceilf (val * 100)/100; /* result:37.78

Μc/gui Three text display and numerical display of learning notes 3.1 Text Display 3.1.1 Display support control characters The text display supports ASCII characters as shown in Figure 3.1. Figure 3.1 shows the supported ASCII control characters

Everyone knows that π = 3.1415926 ...... There are infinite digits. In history, many people have been calculating this number, which has always been regarded as a very complicated problem. Now that you have a computer, the problem is simple.The

Chapter 6 binary, octal, and hexadecimal 6.1 why do we need octal and hexadecimal? 6.2 decimal number conversion to decimal number 6.2.1 convert binary to decimal 6.2.2 convert octal to decimal 6.2.3 expression of the octal number 6.2.4 use of Octal