Excel in math, science, and engineering

Excel in math and science

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I am a number less than 1000.When you divide me by 32 my remainder is 30.When you divide me by 58 my remainder is 44.Just recognize who I am?

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Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations,
examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

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