sqrt()

Description

Calculates the square root of a number.

Syntax

sqrt(x)

Parameter Values

  • x: the number. Allowed data types: any data type.

Return Values

  • The number's square root. Data type: double.

Example Code

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  

See Also

ARDUINO BUY RECOMMENDATION

Arduino UNO R3
Arduino Starter Kit
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