Darsel is an education technology nonprofit dedicated to enhancing math learning outcomes for students in low-resource settings. Originating from research at Harvard and Stanford, Darsel addresses the global learning crisis by providing a personalized learning chatbot accessible via low-bandwidth channels like SMS, WhatsApp, and Facebook Messenger. This approach ensures that students without reliable access to video-based educational platforms can still benefit from quality math education. Key Features and Functionality: - Personalized Learning: Darsel's chatbot adapts to each student's proficiency level, offering tailored questions, hints, and explanations to effectively address individual learning gaps. - Extensive Content Library: With over 500,000 curriculum-aligned math questions covering topics from basic numeracy to advanced algebra, Darsel provides comprehensive support for students at various levels. - Multi-Platform Accessibility: Students can engage with Darsel through familiar platforms such as WhatsApp and Facebook Messenger, eliminating the need for additional app downloads or complex login processes. - Teacher Support and Analytics: Educators receive detailed reports on student performance, enabling them to monitor progress and tailor instruction accordingly. Darsel also facilitates homework assignments and automates grading, reducing administrative burdens for teachers. Primary Value and User Solutions: Darsel empowers students in underserved regions by providing an accessible, effective, and engaging math learning experience. By leveraging widely-used messaging platforms, it overcomes barriers related to internet connectivity and device limitations. For teachers, Darsel offers valuable insights into student performance and streamlines the assessment process, allowing for more focused and informed instruction. Ultimately, Darsel aims to build a strong foundation in numeracy and math skills, unlocking better outcomes and smarter decisions for students worldwide.