This article directory:1.6.1 Basic Integer Arithmetic1.6.2 BC Command Advanced arithmetic operationsuse Let, $ (()), or $[] for basic integer operations, using BC for advanced operations, including decimal operations. Where the expr command can also
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
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
GTW likes Mathaccepts:472submissions:2140Time limit:2000/1000 MS (java/others)Memory limit:131072/131072 K (java/others)Problem descriptionOne day, GTW listened to the maths teacher The Golden Dragon Fish class, began to do mathematics "from the
This article will introduce some main Java classes, such as string, stringbuffer, and math.
Java is a real object-oriented language. Even a simple program must be designed. Java itself also provides many designed classes for us. To use Java for
Code reference from:xyz111Test instructions: As we all know, Meng Meng's six flowers are not good at maths, so Yong too gave her some math problems to do exercises, one of which is this:Yong too have a stick of length n, this stick is composed of n 1
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