I have developed a new version of the software for answering the Questions at Mathopolis
Try out a few different quizzes, and let me know what you think.
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
I tried the 'Question of the Day'; I found the solutions interesting; they are all easily solved.
On the other hand, 'Math Champions' require a certain degree of expertise.
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.