Here you can find a compilation of the questions that were sent to matematica.pt through the Contact page. The most interesting ones have been selected (with slight adaptations) and it is listed here not only the question as the answer.
If you have any pertinent (math) question whose answer can not easily be found, send us an email on the Contact page with the question. We will be happy to respond. In the event that you detect any errors in our answers, do not hesitate to contact us!