We present to you the Qatrub Triangle Systems application, which was written by Sheikh Abdul Aziz bin Abdul Wahid Al-Miknasi Al-Maghribi, who is considered one of the most prominent works in the field of Arabic grammar. This system combines simplicity and depth, making it a valuable reference for those interested in studying the Arabic language and its grammar. The application features a smooth and easy-to-use user interface, providing useful features such as zooming in and out of text, making it easier to read the content clearly at any time. In addition, the application allows users to choose between dark and light reading modes, providing a comfortable reading experience that suits various conditions. Whether you are a student or proficient in the Arabic language, the Qatrub Triangle Systems application will provide you with a valuable tool to deepen your knowledge and improve your skills.