Boost your exam score with adaptive learning
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Trusted and loved by 20,000+ students
Target your weaknesses
Detailed Explanations
Our endless practice mode is the most effective way to master your exam.
Strength & Weakness
Breakdown your performance by categories and pinpoint your weaknesses.
Adaptive Learning Algorithms
Our algorithms use a 100,000+ question bank to identify performance gaps.
See what our students are saying
“The best practice platform for the SAT”
Decimal's extensive question bank and detailed explanations made preparing for the SAT less painful. The endless practice felt like a game, and I improved on my weak points.
Alex M. - Princeton University
“Decimal made acing the TOEFL possible”
As an international student, I needed a reliable resource to improve my English skills. Decimal provided comprehensive materials that were both engaging and affordable.
Li W. - University of California, Berkeley
“An absolute game-changer for SAT prep”
I increased my SAT score by 200 points after using Decimal. It's so affordable compared to other prep courses.
Michael R. - Ohio State University
“Boosted my GRE score significantly”
I was struggling with the quantitative section of the GRE until I started using Decimal. The AI-powered explanations clarified complex concepts, and I improved my score by 8 points.
Sara K. - Massachusetts Institute of Technology
Unlimited Practice Questions
All our exams are priced at $9.99. Pick an exam to get started.
Trusted by 20,000+ students
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Features:
Up to 3 practice questions per day
Access to free questions tier
Basic question selection
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Features:
Unlimited practice questions
Access to premium questions tier
Dashboard with detailed analytics
Personalized score improvement tips
Identify strengths & weaknesses
Adaptive question selection algorithm
AI-powered question explanations
