Step-by-Step 11th Grade Science Exercises is an Android app designed to assist students with solving exercises and guiding them through the 11th-grade science curriculum for the academic yearDeveloped by HamyarBook, this educational tool provides solutions and step-by-step guidance for subjects such as Physics, Mathematics, Biology, Chemistry, Arabic, Quranic Language, Experimental Science Lab, Religion, English, English Workbook, Iranian Geography, Persian, Composition, Human and Environmental Studies, Contemporary Iranian History, and Geology.

The app offers in-app purchases and is tailored specifically for the 11th-grade science curriculum. It covers exercises, activities, problems, self-assessments, experiments, critical thinking, text questions, lesson meanings, and more, ensuring comprehensive support for students. Users can access content from the current academic year as well as the previous years, with each chapter conveniently separated for easy access.