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Prepare a menu driven calculator

Posted By: Raoul Fischer     Category: Unix / Linux / Ubuntu     Views: 3836

Prepare a menu driven calculator

Code for Prepare a menu driven calculator in Unix / Linux / Ubuntu

count=0
while [ $count -eq 0 ]
do
tput clear

echo "1. Addition"
echo "2. Subtracation"
echo "3. Multiplication"
echo "4. Division"
echo "5. Exit"
echo "Enter your choice"
read choice

if [ $choice -eq 1 ]
then
        echo "Enter first no "
        read first
        echo "Enter second no "
        read second
        echo `echo $first + $second | bc`
elif [ $choice -eq 2 ]
then
        echo "Enter first no "
        read first
        echo "Enter second no "
        read second
        echo `echo $first - $second | bc`
elif [ $choice -eq 3 ]
then
        echo "Enter first no "
        read first
        echo "Enter second no "
        read second
        echo `echo $first \* $second | bc`
elif [ $choice -eq 4 ]
then
        echo "Enter first no "
        read first
        echo "Enter second no "
        read second
        echo `echo $first / $second | bc`
else
        count=1
        exit
fi
echo "Do you continue (1 for y/ 0 for n) "
read ch
if [ $ch -eq 1 ]
then
        count=0
else
        exit
fi
done
  
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Raoul Fischer
Raoul Fischer author of Prepare a menu driven calculator is from Frankfurt, Germany.
 
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