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 POWER OPERATOR (**) IN PASCAL PROGRAMMING

In other to write x raised to the power of y in Pascal, the expression will be x**y, while 5 raised to the power of 2 will be 5**2.

Two asterisks (**) represents power operator in Pascal. However, the (**) will show error that “method overloading is not created”, as such, if you want to use the power operator you need to call uses math; above the var keyword. uses math; is a math library in Pascal, that allows you to access and utilize mathematical functions.

Lets demonstrate this with simple examples.

Lab1:

//pascal program to display the result of 5^2

program lab1;

uses math;

begin

writeln('The answer is::');

writeln(5**2);     

end.

 

Lab2:

{ pascal program to display the result of an initialized variable using integer datatype

}

program lab2;

uses math;

var

a : integer = 3;

b : integer = 5;

begin

writeln('The answer is::');

writeln(a**b);     

end.

 

 

Lab3:

{ pascal program to display the result of an initialized variable using real datatype and formatting the output to two decimal places

}

program lab3;

uses math;

var

m : real = 1.863;

n : real = 2;

begin

//format the output to two decimal places

writeln('The answer is::');

writeln((m**n) : 0:2);     

end.

 

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