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Sqrt

Declaration:
Function Sqrt (X : Real) : Real;
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:
Sqr (577), Ln (528), Exp (493)

Listing: refex/ex66.pp

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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