Mac OS X ships with a powerful and useful command-line calculator called bc. GNU bc provides an arbitrary precision calculator that allows you to type in expressions for immediate calculation. It uses the standard conventions for computer arithmetic, i.e. + and - are addition and subtraction, ...
快乐地计算吧! via:https://fedoramagazine.org/bc-command-line-calculator/ 作者:Paul W. Frields译者:FSSlc校对:wxy 本文由LCTT原创编译,Linux中国荣誉推出
Raw Sipcalc is an ip subnet calculator consisting of two parts. A plain text based console version, and web (cgi) based counterpart. This manpage only addresses the console based version. Sipcalc, in its simplest form takes an ip-address and a subnet mask on the command line and outputs i...
NOTE If you aren’t familiar with conversion between decimal, binary, and hexadecimal formats, you can use a calculator utility such as bc or dc to convert between different radix representations. For example, in bc, you can run the command obase=2; 240 to print the number 240 in binary ...
bc = Basic (Better) Calculator bg = BackGround biff = 作者HeidiStettner在U.C.Berkely养的一条狗,喜欢对邮递员汪汪叫。 cal = Calendar (日历) cat = Catenate (链接) cd = Change Directory chgrp = Change Group chmod = Change Mode chown = Change Owner ...
Access the GNU bc calculator utility. 访问GNU bc计算器实用程序。 bg Send processes to the background. 将进程发送到后台。 biff Notify about incoming mail and sender’s name on a system running comsat server. 在运行comsat服务器的系统上通知新邮件和发件人姓名。
dc = Desk Calculator dd = Disk Dump (磁盘转储) df = Disk Free diff = Difference dmesg = diagnostic message du = Disk Usage ed = editor egrep = Extended GREP elf = Extensible Linking Format elm = ELectronic Mail emacs = Editor MACroS ...
The Linux “bc” command is used as a calculator that accepts mathematical expressions as input and provides the corresponding results as output. To exit the “bc” command, you can follow the steps below: 1. Press Ctrl + D: This is the standard way to exit many command-line programs, ...
felix@felix-computer:~$ ls -ltr s*总用量16drwxr-xr-x 4 felix felix 4096 9月 19 22:43 gnome-calculator drwxr-xr-x 4 felix felix 4096 9月 25 19:01gimp drwxr-xr-x 6 felix felix 4096 10月 7 11:35 gnome-logs drwxr-xr-x 2 felix felix 4096 10月 12 14:24 redis-desktop-manager ...
This function defines a quick calculator on the command line with variable precision (the default is 2). It usesbc. Create the function like this: $functionqqbc(){echo"scale=${2:-2};$1"|bc-l Next, perform a quick calculation: