sqrt()

설명

숫자의 제곱근 반환.

문법

sqrt(x)

매개변수

  • x: 숫자, 자료형

반환값

  • 숫자의 제곱근. (double)

예제 코드

void setup() { Serial.begin(9600); int x = 4; double y = sqrt(x); Serial.print("The square root of "); Serial.print(x); Serial.print(" is "); Serial.println(y); } void loop() {}

The result in Serial Monitor:

COM6
Send
The square root of 4 is 2.00
Autoscroll Show timestamp
Clear output
9600 baud  
Newline  

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