echo Enter The Two Numbers
read a
read b
echo enter operation
read op
ans1=`echo scale=2";" $a "$op" $b | bc`
echo the answer is $ans1
echo Enter The Two Numbers
read a
read b
echo enter operation
read op
ans1=`echo scale=2";" $a "$op" $b | bc`
echo the answer is $ans1
Square Root of a number by using simple calculations