This tool is part of the Pro and Club plans. Watch the short tour first and see what it does for you.
Exam modeThe problem
You read it. But do you really know it?
Reading a system is easy. Finding the right value while the clock is running is something else.
Exam modeThe fix
The clock runs, the path is hidden
A random exam built from examples of systems with a formula: you pick the number of questions, the time and the systems. The path and the answer mark are hidden; you find the value.
Exam modeHow it works
The solution to every mistake, right there
When you finish you see your score, your time and your average per question. For wrong answers the path is revealed and the solution is shown step by step.
Exam modeHow it works
From Bronze to Master
Earn badges by accuracy and time per question. Club owners see members' exam count, average accuracy and best results in one table.