

Find mistakes and train your critical thinkings
Spot errors in math solutions and learn to recognize when a result truly makes sense.
Train your critical thinking with examples that teach you to see more than just the right steps.
You’ll understand why and when formulas work and how to avoid common mistakes others make.


Explore the various applications of mathematics
Check out 50 fully solved examples and discover where math hides in the real world.
From cybersecurity and sports to finance, travel, and even outer space.


Set up an on-line test from any of the secondary school math curriculum.
You can practice whenever and wherever - on a computer, tablet, smartphone.
Choose a topic and a number of problems, and you can begin. After clicking the answer, you will get your feedback instantly.
The application STUDENT works with a database of 6,000 questions from all secondary-school mathematics.


Online tests that you can solve without paper and pencil
Do you want to practice on your mobile phone on the bus, on the train, or at the stop?
You don't need paper and pencil. Head is all you need to solve all 2,000 problems.
Use every moment of your life to be better!


How quickly to set up an interactive test or written exam?
Choose problems for a database of 6,000 questions, put them in your cart and everything is all set to go.
With a good math composition in a PDF format. Immediate and free.
Different tests for each school, class and student.


All you need is a mobile phone and an access code
Your teacher will give you the code, and you can get started. Your answers will be sent to your teacher immediately.
Who got everything right? The teacher sees it instantly and can give out commendations.
Did any questions give you trouble? The teacher sees that directly also and can give you an explanation.