bc manual

Description of UseBash has built-in support for integer arithmetic, but it does not support floating-point operations, and the BC command can be very handy for floating-point operations, and of course integer arithmetic is no longer spoken. The

Common CentOS commands: bc, man, shutdown This article mainly records the usage and meaning of some Linux commands, such as bc, man, and shutdown. I. bc (a simple calculator in Linux) In windows, a calculator tool is provided. We can use it for

First, frequently asked questionsWhen using PHP for computing, you often encounter the problem of precision, the following two common examples:1. Comparison of operationsThe result of the following expression output is not 相等 :2. Type conversionThe

BC is the abbreviation for binary calculator. The arguments to the bc* function are the operands plus an optional [int scale], such as String Bcadd (String $left _operand, String $right _operand[, int $scale]), if scale is not provided , the default

HapiJS development manual and hapijs ManualHapiJS development manualAuthor: chszs, reprinted with note. Blog homepage: http://blog.csdn.net/chszs1. Introduction to HapiJSHapiJS is an open-source, Node-based. the js application framework is suitable

Summary of the experiment Five Problem Link: "the Foundation of Information Security system design" Experimental five experimental report Although all copies of the 07_httpd file are in BC and the folder has

On the morning of the day before yesterday, the leader determined that the network card of the 172.16.30.160 host had errors and packet loss. He planned to switch the network card that night: manually switch from eth0 to

OpenSSL is an open source SSL implementation. The simplest and most important application based on the OpenSSL directive is to use Req, CAs, and X509 to issue a certificate.OpenSSL provides command-line options and interactive two ways to perform

Article title: RedHatLinux8.0 basic service Configuration Manual. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

Linuxbashscript concise manual! Script execution and debugging 1. absolute path execution. the file must have the execution permission. 2. execute the sh command without the execution permission. 3 ,. add space or source to execute the command. the