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#!/bin/bash

#This is a simple script to calculate two numbers.

# Taking user input

echo "Enter two numbers: "

read a

read b

#input type of operation

echo "Enter your choice: "

echo "1. Addition"

echo "2. Substraction"

echo "3. Multiplication"

echo "4. Division"

read ch

#Acting on the user input

case $ch in

1) res=`echo $a + $b | bc`

;;

2) res=`echo $a - $b | bc`

;;

3) res=`echo $a \* $b | bc`

;;

4) res=`echo "scale=2; $a / $b" | bc`

;;

esac

#Printing result

echo "Result: $res"