Contoh Program Menggunakan Bahasa Pascal

Menghitung Luas dan keliling lingkaran :
Program Luas_dan_Keliling_Lingkaran;
uses crt;
const pi = 3.14;
var
r,K,L : real;
begin
clrscr;
writeln(‘=============================’);
writeln(‘Menghitung Luas dan Keliling’);
writeln(‘—————————-’);
write(‘Jari – jari = ‘); readln(r);
K := pi*2*r;
L := pi*r*r;
writeln(‘Keliling Lingkaran = ‘,K:5:2);
writeln(‘Luas Lingkaran = ‘,L:5:2);
writeln(‘=============================’);
readln;
end.