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sqrt()
Description
Calcule la racine carrée d'un nombre.
Syntaxe
sqrt(x);
Paramètres
x: le nombre, tout type de donnée.
Valeurs Renvoyées
- La racine carrée du nombre (si x = 4, sqrt(x) renvoie 2) (double)
Exemple
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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