# Key & Textbook Mathematics 11

> Intermediate HSSC bise & fbise notes, past paper & solution for Maths class 11

Canonical page: [https://chrome-stats.com/d/com.oef.keybook.mathclass11](https://chrome-stats.com/d/com.oef.keybook.mathclass11)

## Overview

- **ID:** `com.oef.keybook.mathclass11`
- **Platform:** Android
- **Type:** Android app
- **Status:** Removed
- **Publisher:** Open Educational Forum
- **Category:** EDUCATION
- **Downloads:** 247,077
- **Rating:** 3.25 / 5 (1,945 ratings)
- **Version:** 7.5.26
- **Last updated:** 2023-06-19
- **First published:** 2016-02-16
- **Size:** 9.87 MB
- **Data as of:** 2025-08-22
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.oef.keybook.mathclass11)
- **Website:** [https://openeduforum.com/](https://openeduforum.com/)
- **Privacy policy:** [http://openeduforum.com/privacy.html](http://openeduforum.com/privacy.html)

## Description

Key & Textbook Mathematics 11 is a comprehensive educational app designed to support 11th-grade students across Pakistan's Punjab, Sindh, KPK, Balochistan, Gilgit Baltistan boards, and FBISE. It offers complete textbooks, notes, solved past papers, and key solutions for intermediate HSSC Maths, both in English and Urdu medium. The app's intuitive design allows offline access with features like zooming, highlighting, editing, and sharing, mimicking conventional textbook usage.

This app covers all major topics such as Number Systems, Sets, Matrices, Quadratic Equations, Trigonometry, and more, facilitating easy navigation and better engagement. It supports students preparing for exams like NTS, GAT, PPSC, and FPSC by providing all-in-one solutions including exercises, theorems, and MCQs. Developed by the Open Educational Forum, it aims to revolutionize education by providing free mobile learning resources to prevent anyone from being left behind.

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users find the app helpful for learning math and providing textbook solutions, especially in older versions. However, recent updates have introduced many problems such as frequent and inappropriate ads, requirement of constant internet connection, bugs causing crashes and loading issues, wrong or incomplete solutions, and poor compatibility with recent Android versions. These issues significantly degrade the user experience.

### Pros

- Helpful for math students to understand solutions and learn.
- Provides solutions to textbook questions.
- Previously worked well and was efficient before recent updates.

### Cons

- Excessive and inappropriate advertisements, including 18+ ads, interrupt usage.
- App requires constant internet connection, unlike previous offline versions.
- Many bugs and errors cause crashes, slow loading, and failure to open chapters or exercises.
- Incorrect or incomplete solutions and lack of clear explanations.
- Compatibility issues with newer Android versions (8.0 Oreo and above) causing app not to work properly.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.oef.keybook.mathclass11)