Key Book Maths Class 9: General Science is a free and offline solution manual for Mathematics Class 9 students who are following Punjab Text Book Board (Pakistan) textbook. The app will help them solve the exercise problems by applying the concepts they have learned. The students will be able to solve the problems without the Internet and it will work offline. It is designed to help the students learn math skills in a simple and easy way. It contains all the main topics with easy navigation among pages and solutions. It has a beautiful and simple interface that will make the learning process easier. It is designed to work offline and it only needs to be downloaded once. The students can easily download it and start using it. They can easily navigate through all the topics and solutions. It has a beautiful and easy-to-use interface. The app is free to download and use.