[数值计算] 批处理将一个数开平方根号

@echo off
set /p e=请输入要开方的数 :
set a=%e%
set b=1
set g=1
:a
set /a b=%b%+1
set /a k=%b%*%b%
set /a d=%a%/%k%
set /a s=%a%%%%k%
if not "%s%"=="0" (if "%d%"=="0" (goto en) else goto a) else (
set/a g=%g%*%b% &set a=%d% &set b=1&goto a)
:en
if "%s%"=="1" (echo √%e%=%g%) else (
if "%g%"=="1" (echo √%e%=√%s%) else echo √%e%=%g%√%s% 
)
pause
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