Attendance checker takes 3 inputs from the user 1-Current Attendance percentage, 2-Total no hours of classes taken, 3-min percentage required. After taking all the inputs from the user it uses an algorithm to check if the percentage is below or above and if below it tells you how many mores hours you have to attend to achieve the target or if it is above it tells you that you can cut that many number of hours. This app will be very useful for college students, working staffs etc