The Biology 9th Class Punjab Board App is a digital textbook of 9th class from the Punjab Textbook Board. It has been developed to assist students in their study and to help teachers in the teaching process. The main objective of developing this app is to provide the students with an easy to use and handy platform for their study.

The app has several functions to help the users in their study. These functions include:

Bookmarks: The bookmarks function enables the users to save the current page that will enable them to see that page in future.

Cropping: The cropping function enables the users to cut the required portion of the page just by moving the grid area to the specific content, and then they need to re-size the grid that will fit with their content.

Notes: The notes function enables the users to create notes like highlighting the important points or content just by selecting their favorite color of marker and then highlight it to create their own notes.

Undo and redo: The undo and redo function enables the users to undo the previous task and to redo the previous task.

Share: The share function enables the users to share the notes with other students.

Delete: The delete function enables the users to delete the notes and crops images.