Write a shell script(small calculator) that adds, subtracts, multiplies and divides the given two integers.

There are two division options: one returns the quotient and the other

returns reminder. The script requires

3 arguments: The operation to be used and two integer numbers.

The options are add(-a), subtract(-s),

multiply(-m), quotient(-c) and reminder(-r).

echo "Enter First Value "

read x

echo "Enter Second Value "

read y

while [$q –ne 0 ]

do

echo “Enter –a for adding”

echo “Enter –s for subtraction”

echo “Enter –m for multiplication”

echo “Enter –c for Quotient”

echo “Enter –r for reminder”

read s

case $s in

-a) p=`expr $x + $y`

Echo "Sum = $p"

;;

-b) p=`expr $x - $y`

Echo "difference = $p"

;;

-m) p=`expr $x \* $y`

Echo "Product = $p"

;;

-c) p=`expr $x / $y`

Echo "quotient = $p"

;;

-r) p=`expr $x % $y`

Echo “reminder = $p"

;;

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