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Reference for unit 'System' (#rtl)

Power

Raise float to integer power

Declaration

Source position: system.fpd line 74

function Power(

Base: Double;

expon: Double

):Double; function Power(

Base: LongInt;

expon: LongInt

Power returns the value of base to the power expon. Base and expon can be of type Longint, in which case the result will also be a Longint.

The function actually returns Exp(expon*Ln(base))

None.

Program Example78;

{ Program to demonstrate the Power function. }

begin
  Writeln (Power(exp(1.0),1.0):8:2); { Should print 2.72 }
end.

Exp		Exponentiate
Ln		Calculate logarithm