Lab02

Task-01:
#!/bin/bash
echo "Enter your income: "
read income
t1=240000
t2=300000
t3=180000
taxcount=0
tmax=$(($t1+$t2+$t3))
tmid=$(($t1+$t2))
taxmax=66000
taxmid=30000
if [ $income -lt $t1 ];
 then echo "Tax Free"
fi
if [ $income -gt $tmax ];
 then maxRestCount=$(($income-$tmax))
 taxcount=$(($maxRestCount*3/10+$taxmax))
 echo "$taxcount"
elif [ $income -gt $tmid ];
 then midRestCount=$(($income-$tmid))
 taxcount=$(($midRestCount*2/10+$taxmid))
 echo "$taxcount"
elif [ $income -gt $t1 ];
 then RestCount=$(($income-$t1))
 taxcount=$(($RestCount*1/10))
 echo "$taxcount"
fi

Task-02:
#!/bin/bash
echo "Enter a number:"
read number
updatable=0
dividibleBy2=$((number%2))
dividibleBy5=$((number%5))
if [ $dividibleBy2 -eq 0 ] 
 then updatable=$(($div + 1))
fi
if [ $dividibleBy5 -eq 0 ] 
 then updatable=$(($div + 1))Task-03:
#!/bin/bash
echo "Enter a number:"
read number
div=0
for((i=2; i<number; i++))
do
check=$((number%i))
if [ $check -eq 0 ] 
 then div=$(($div + 1))
fi
done
if [ $div -eq 0 ] 
 then echo "prime"
else
 echo "not prime"
fi
Task-04:
#!/bin/bash
plus="+"
subtraction="-"
mult="*"
div="/"
i=0
echo "Which operation would you like to do?"
read operation
echo "Operand 1:"
read Operand1
echo "Operand 2:"
read Operand2
output=0
if [ $operation = $plus ]
 then output=$(($Operand1 + $Operand2))
elif [ $operation = $subtraction ]
 then output=$(($Operand1 - $Operand2))
elif [ $operation = $div ] 
 then output=$(($Operand1/$Operand2))
elif [ $operation = $mult ]
 then output=$(($Operand1*$Operand2))
fi
echo "The result is $output"
Task-05:#!/bin/bash
echo "Enter a number"
read number
Happynumber=1
my_list=($a $b $c $d)
num=$number
sum=0
#to count the number of digites
NumberOfDigits=${#number}
for ((i=0; i<$NumberOfDigits; i++ ))
do
 power=$((${number:$i:1}**2))
 sum=$(($sum+$power))
done
#iterating and doing sum
number=$sum
NumberOfDigits=${#sum}
sum=0
for ((i=0; i<$NumberOfDigits;i++ ))
do
 power=$((${number:$i:1}**2))
 sum=$(( $sum+$power ))
done
if [ $sum -eq 1 ]; then
 echo "Happy Number"
else
 echo "NOT Happy Number"
fi
fi
if [ $updatable -eq 0 ] 
 then echo "IGNORE"elif [ $updatable -eq 1 ]
 then echo "YES"
else
 echo "NO"
fi