the حاسب المعدل Lycée app is an android application that helps the Algerian high school students or their parents or teachers to calculate many types of averages like they calculate it in the Algerian high schools, for example it helps to calculate the : - the trimester average -the Bac -the year average -a subject average - the class average all what it needs is to fill the empty gaps on the app and the app will calculate your average. the app features : - it has a small size - a simple design - easy to use -it has a unique activity for each year/specialty -you can exclude the subject that you do not study from calculating - it automatically fills the coefficients and you can edit them manually