@user40720409570967: Stop calculating student grades manually! In this quick Excel tutorial, I’ll show you the fastest way to calculate Total Marks and Average Marks using a simple USA student dataset. Just type =SUM to total scores instantly, and =AVERAGE to get accurate grade averages—then drag the formulas down to fill every student’s results automatically. Perfect for teachers, students, office workers, and data analysts who want to save time and work smarter in Microsoft Excel.