how to round significant digits

PS: Essays written in SQL Server (repeat, replace, intercept, remove spaces, number of digits after the decimal point)/*---------------------------Repeat--------------------------------*/--repeating string returns "Abc#abc#abc#"Select Replicate('abc#

Alice and Bob Time Limit: 2000/1000 MS (Java/others) memory limit: 32768/32768 K (Java/Others)Total submission (s): 155 accepted submission (s): 110 Problem descriptionbob and Alice got separated in the square, they agreed that if they get

BestCoder Round #11 (Div. 2) question set,Alice and BobTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission (s): 155 Accepted Submission (s): 110Problem DescriptionBob and Alice got separated in the Square,

"Turn" http://blog.csdn.net/samsone/article/details/75567811. Formatted currency (related to system environment, Chinese system default format RMB, English system format USD)String. Format ("{0:c}", 0.2) results are: ￥0.20 (English operating system

Long 14200666 ; Console.WriteLine (AAAA. ToString ("N0")); Console.WriteLine (string. Format ("{0:n0}"14200666)); Console.WriteLine (" architect www.itsvse.com"); Console.ReadLine ();1. Formatted currency (

1. Formatted currency (related to system environment, Chinese system default format RMB, English system format USD)String. Format ("{0:c}", 0.2) results are: ￥0.20 (English operating system results: $0.20)The default formatting retains two decimal

Hdoj5054 Alice and Bob Time Limit: 2000/1000 MS (Java/others) memory limit: 32768/32768 K (Java/Others)Total submission (s): 302 accepted submission (s): 229 Problem descriptionbob and Alice got separated in the square, they agreed that if they get

Http://www.cnblogs.com/kingwolfofsky/archive/2011/07/21/2112299.html floating point numbers 1. What are floating point numbers In the process of computer system development, several methods have been proposed to express real numbers. Typically, for

Working with Numbers in PL/SQL (use numbers in PL/SQL) This article gives you all the information you need in order to begin working with Numbers in your PL/SQL programs. numbers in PL/SQLPL/SQL offers a variety of numeric datatypes to suit

This article gives you all the information you need in order to begin working with numbers in your PL/SQL programs.Numbers in PL/SQL PL/SQL offers a variety of numeric datatypes to suit different purposes: Number. A true decimal datatype that is