sqrt

Calculate the square root of a value

Declaration

Source position: mathh.inc line 62

Description

Sqrt returns the square root of its argument X, which must be positive.

Errors

If X is negative, then a run-time error is generated.

See also

Example

Program Example66;

{ Program to demonstrate the Sqrt function. }

begin
  Writeln (Sqrt(4):0:3); { Prints 2.000 }
  Writeln (Sqrt(2):0:3); { Prints 1.414 }
end.

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