함수 sqrt()

Square root

sqrt

1 Bash

Bash

Copy

a=16
b=$(echo "sqrt($a)" | bc)
echo $b
# 4

2 Excel

PHP

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=SQRT(16)  // 4

3 Go

Go Sqrt() 문서를 참고하십시오.

Go

Copy

package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Println(math.Sqrt(16)) // 4
}

Loading

4 JavaScript

JavaScript

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document.write( Math.sqrt(16) );  // 4

5 PHP

PHP

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echo sqrt(16);  // 4

6 Python

PHP

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import math
print math.sqrt(16) // 4.0

7 Perl

Perl

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print sqrt(16); # 4

8 SQL

8.1 MySQL

MySQL

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SELECT SQRT(2);
# 1.4142135623730951

MySQL

Copy

SELECT SQRT(16);
# 4

9 같이 보기

• 함수 power()
• 함수 cbrt()
• 제곱근