Calculus

Your go-to directory for all things related to homeschooling. Whether you're a seasoned homeschooler or just starting out, our mission is to connect you with valuable resources and tools to make your homeschooling journey a success.

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Brilliant

Get smarter in 15 minutes a day with thousands of interactive, bite-sized lessons in math, science, data analysis, programming, computer science, AI, and beyond. Learn at your level. Brush up on the basics or learn new skills. Designed for learners ages 13 to 113. Concepts that click. Interactive lessons make even complex ideas easy to grasp. Instant, custom feedback accelerates your understanding. An interactive, problem-solving–focused learning platform dedicated to building deep understanding in STEM fields—especially math, science, computer science, and data analysis. Founded in 2012, Brilliant replaces passive videos with hands-on, guided lessons and puzzles that foster intuition and first‑principles thinking, serving learners from beginners to advanced. Available via web and mobile, the platform operates on a freemium model and houses over 70 curated courses. Brilliant also offers a free Brilliant for Educators program (with WASC accreditation) allowing K–12 teachers to access premium content for classroom use.

Modern States

Modern States offers a library of college-level online courses—completely free—designed to prepare learners for College Level Examination Program (CLEP) exams. Upon completing a course, learners receive a voucher for the corresponding CLEP exam at no cost, enabling them to earn transferable college credit at nearly 3,000 colleges and universities. Ideal for students, adult learners, and anyone seeking to accelerate their education, Modern States provides a scalable, accessible pathway to reduce time and expense in earning a degree.

MOOC.org

Massive Open Online Courses (MOOCs) are FREE online courses available for anyone to enroll. MOOCs provide an affordable and flexible way to learn new skills, advance your career and deliver quality educational experiences at scale. 3,000+ Free Online Courses. MOOC.org is an online platform powered by edX that offers access to thousands of free Massive Open Online Courses (MOOCs) from leading universities and organizations worldwide. Covering a wide range of subjects—from computer science and business to humanities and data science—it provides flexible, affordable learning opportunities for individuals, educators, and businesses. Whether you're looking to upskill, prepare for a new career, or simply learn for the joy of it, MOOC.org delivers quality education at scale.

Thinkwell

Online video courses for college students, middle school and high school math, algebra 1, algebra 2, science and other subjects. Award winning professors present concepts in a clear and engaging way.

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