Key Book - Maths Class 12 (S) (PTB) is a free solution manual designed for Mathematics Class 12 (Science Group) students who are following Punjab Text Book Board (Pakistan) textbook. Open Educational Forum (OEF) developed this app to provide educational support resources in the form of lecture notes, lecture videos, solution manuals, and other learning material free of cost.

This app covers study notes and solution notes on the subject for easy understanding and learning. It is a handbook covering notes, definitions, concepts, diagrams, formulas, laws, math problems, tools, derivations, integrals, equations, functions, integration, calculations, and graphs. The app covers all the main topics with easy navigation among pages and solution contents of the maths book.

The app is very easy to use and interactive. It works offline, and only one-time download with complete features. The revision of all concepts can be finished within several hours using this app. The app is mobile-optimized, and the material in this app has been collected from various sources, all striving to support this noble cause for math skills. The app is available for Android devices and is completely free.