1. Total Marks: Apne exam ke total marks likhein (e.g., 700).
2. Obtained Marks: Jitne marks aapko mile hain wo likhein (e.g., 600).
3. Calculate: Button dabate hi aapka percentage screen par aa jayega.
Add to Home Screen: Chrome Menu (3 dots) par click karke 'Add to Home screen' chunein.
