Pemrograman

Langsung mulai saja ya....



#!/bin/bash
loop=y   
while [ $loop != n ]           
do
clear
echo KALKULATOR:
echo 1. MENGHITUNG LINGKARANG
echo 2. MENGHITUNG VOLUME TABUNG
echo 3. MENGHITUNG LUAS SEGITIGA
echo 4. Exit
echo -n MASUKAN PILIHAN ANDA :
read a
if (($a == 1))
then
input
echo lingkaran
          {
             echo "========================="
             echo " Hitung Luas Lingkaran"
             echo "========================="
             echo "Input Jari-jari lingkaran: "
             read r
             echo "========================="
             l=`echo 3.14*$r*$r |bc`
             echo "Luas lingkaran = $l"
           }
elif (($a == 2 ))
then
input
echo volume_tabung
       {
         echo "========================="
         echo " Hitung Volume tabung    "
         echo "========================="
         echo "Input Jari-jari Tabung: "
         read r
         echo "Input Tinggi Tabung: "
         read t
         echo "========================="
         k=`echo 2*3.14*$r*$r*$t |bc`
         echo "Volume Tabung = $k"
        }
elif (($a == 3 ))
then
input
       echo "Menghitung Luas Segitiga"
       echo "________________________"
       echo "Masukkan alas segitiga :"
       read als
       echo "Masukkan Tinggi Segitiga :"
       read tin
       b=`echo $als*$tin*0.5|bc`
       echo "Luas Segitiga adalah : $b"
else
exit
fi
echo -n "Mulai Menghitung Lagi (y,n)= "
read loop
done


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