# Shell Script
# Dizajnimi i nje kalkulatori

echo " Jepe numrin a: "
read a
echo " Jepe numrin b: "
read b
echo -e " 1. Mbledhja\n2. Zbritja\n3. Shumezimi\n4. Pjestimi"
echo " Zgjidhe opsionin: "
read opsioni
case $opsioni in
    1) c=`expr "scale=3;$a + $b" | bc`;;
    2) c=`expr "scale=3;$a - $b" | bc`;;
    3) c=`expr "scale=3;$a * $b" | bc`;;
    4) c=`expr "scale=3;$a / $b" | bc`;;
    *) echo " Zgjidhje te gabuar. "
    exit 0;;
esac

echo " Rezulati = $c "