Computer Book A-Z is an Android application developed by PiT Computer, available for free on the Google Play Store. It is an education and reference program that provides a PDF format book with notes and editing versions for Basic courses, Tally, Photoshop, and Pagemaker. This app is designed to help users learn and improve their knowledge in these areas.

The program is easy to use and navigate, with a simple and intuitive interface. The PDF format book is well-organized, making it easy to find the information you need. The app is suitable for both beginners and advanced users who want to improve their skills in Basic courses, Tally, Photoshop, and Pagemaker.

Overall, Computer Book A-Z is a useful educational tool for anyone looking to improve their knowledge in these areas. With its free price and comprehensive content, it is definitely worth checking out.