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Abstract: 1) The Linux shell uses let, [], (()) Three operators to manipulate shell variables for simple basic operations; 2) The Linux shell uses expr and BC two programs to achieve advanced operations; 1, basic operation of Linux

"Purpose description" Bash has built-in support for integer arithmetic, but does not support floating-point operations, and the BC Command makes it easy to do floating-point operations, and of course integer operations are no longer spoken. The man

Service-Oriented Architecture (SOA) and business component (BC) thinkingIn service-oriented architecture (SOA), "component" is a very important concept, how to "component" development is to build an enterprise-level Business foundation platform to

Magic Calculator for DC and BCLinux is the P244.Http://baike.baidu.com/link?url= Ylttivbfc1tfzreeuqoe8d0c6yqwbzgqnmlobq1hjvadxxlatniwkkhli9u-4txwd4cuxos6oqnwiesmyoxulue_zhko3fevdzbnxhi4xpgDC old, is the abbreviation of desk caclulator, use inverse

If you need a calculator in a graphical desktop environment, you may only need to click on it all the way to find a calculator. For example, a tool named is already included in the Fedora workstation Calculator . It has several different modes of

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

Share a command-line calculator - BCIf you need a calculator in a graphical desktop environment, you may only need to click on it all the way to find a calculator. For example, a tool called Calculator is already included in theFedora workstation .

If you need a calculator in a graphical desktop environment, you may only need to click on it all the way to find a calculator. For example, a tool called Calculator is already included in theFedora workstation . It has several different modes of

The BC Calculator is a calculator that comes with Linux and is easy to use.OPTIONS-H,--helpPrint the usage and exit.-I.,--interactiveForce interactive mode.-L,--mathlib (commonly used, this entry will have some common mathematical functions can be

China Mobile's scale-up strategy: self-developed BC-Linux operating system, with over deployments!China Mobile's scale-up strategy: self-developed BC-Linux operating system, with over deployments!GuideCurrently, information technology is promoting