Linux .VS. Windows CUI Math Operations

Sometimes when I’m playing on the computer, I suddenly want to calculate some numbers, I don’t want to open the mobile phone and use the APP on the mobile phone, and I don’t want to use the system's bulky calculator on the computer. I'm full of food. This is what I wrote this article. The original intention of the blog post is to use the terminal in Linux, doc and powershell under windows to implement simple mathematical operations.

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One, Linux

echo $((2*3))    #计算整数类似于此，注意两个括号
echo 2.5*3.2|bc  #计算浮点数
echo 2%3 | bc	 #取模
echo 2^8|bc	     #乘方

Two, Powershell

win+R powershell

2.5*3.2      #浮点数加减乘除
2.3%3        #取模
# 目前不知道乘方运算如何进行

Three, CMD

win+R cmd

set /a 3%2   #取模
set /a 3+2   #整数加减乘除，好像不可以浮点数。