All the most useful Rules of Algebra in one place: easy to understand, free, searchable, ad-free, open-source, and accompanied by informative descriptions & examples.


All the most useful Rules of Algebra in one place: easy to understand, free, searchable, ad-free, open-source, and accompanied by informative descriptions & examples.


Search thousands of free and paid K-12 resources (apps, books, online courses, YouTube videos, whatever!) to find the right one for you, your kids, and your budget.




Classtime is a solution for teachers that complements in-class teaching with immediate feedback on students’ level of understanding. Create great questions, engage everyone, improve understanding. No registration required to see how it works!




Teaching computer science to high school by providing web-based curriculum, teacher tools and resources, and professional development.
Physics-AST is a physics problem solver that helps high school students to solve physics problem and learn physics better from the process. It is a smart alternative for Wolfram Alpha in terms of problem solving.




The Pond provides students with affordable tools to help them get into their dream college. Using data from over 10,000 successful and unsuccessful college applications, The Pond app lets students know what works in terms of curricula, awards, extracurriculars, competitions and...




Academicly is an enrollment management system that enables high schools, students and colleges to communicate, search, exchange information on one platform, making the application process more seamless for all parties involved.