Area of a Circle in Pascal

 A simple program that I wrote using Pascal to compute the area of a circle. I hope you will find my work useful.

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Program Listing

Program Area_of_a_Circle;

Uses Crt, Math;

Var Area, Radius : Real;

Begin

   Clrscr;

   Writeln;

   Write('Area of a Circle in Pascal');

   Writeln;

   Writeln;

   Write('Give the radius of the circle :');

   Readln(radius);

   Area := PI * radius * radius;

   Writeln;

   Write('The value of the area is ',Area:5:2, '.');

   Writeln;

   Writeln;

   Write('End of Program');

   Writeln;

   Readln;

End.