Solve math problems from past competitions. Track progress and compare with others. Access full solutions for each problem. Compete on a leaderboard. Practice for School, Chapter, State, and National levels.
by AoPS Incorporated★ 4.2109 ratingsEducationFreeData updated 2026-09-10
Learn with interactive lessons and practice modes. Translate text to and vice versa. Customize speed and tone settings. Track progress with built-in quizzes and tests. Share translations via copy and email.
Solve problems by snapping photos for instant solutions. Recognize handwritten, printed, and digital equations. Receive step-by-step explanations for arithmetic to calculus. Track progress and revisit solved problems for review.
The app provides conjugation charts for over 600 Portuguese verbs. It includes audio pronunciations for all verb forms and explanations of tenses and moods with examples.
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Learn concepts through short problem-solving sessions. Practice with 100 free problems on any topic and receive 10 additional free problems weekly. Upgrade to remove problem limits and access unlimited practice.
Offers arithmetic practice with addition, subtraction, multiplication, and division. Users solve problems at varying difficulty levels. Track progress through exercises and quizzes. Practice mental math for faster calculations.
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SAT Mastery offers practice for both No Calculator and Calculator sections. Users can complete problems, review solutions, and track progress. Features include topic-specific exercises, answer explanations, and performance analytics.
Find exercises and video demos for different music genres. Learn proper warm-up techniques and singing tips. Access educational content to improve control and technique. Track progress with interactive tools.
Practice mental with interactive games and challenges. Solve arithmetic problems quickly. Track progress over time. Compete with friends or set personal goals. Receive instant feedback on answers. Adjust difficulty levels to match skill.