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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
The square root of 4 is 2.00
Autoscroll
Clear output
9600 baud
Newline
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