Shell Script to make a menu driven calculator using case
Program :-
# Shell Script to make a menu driven calculator
using case.
#!/bin/bash
echo "Enter A = "
read a
echo "Enter B = "
read b
echo " Enter the Arithmatic logic = "
echo "1.
Addition";
echo "2.
subtraction";
echo "3.
Multiplication";
echo "4.
Division";
read al
case $al in
1)
echo "Addition is: `expr $a + $b`";;
2)
echo "Subtraction is: `expr $a - $b`";;
3)
echo "Multiplication is: `expr $a \*
$b`";;
4)
echo "Division is: `expr $a / $b`";;
*)
echo "Invalid choice" ;
esac
Output :-
