Gustavo

fast delivery within a day and proof was rigorous. will work with him again

very good work. Highly recommend! Was very detailed in his equations and I received an A!

Great to work it.

Once again Gustavo delivered. If you need help with complex analysis (complex variables) I'm certain that he has you covered. Every single time he reviewed my work or provided work of his own on the subject it was very clear that I was dealing with someone at a skill level fathoms above mine. It was flawless.

O profissional entregou rapidamente o que pedi. Voltarei a trabalhar com ele em breve. Foi muito rapido e entregou antes do prometido. Exatamente o que pedi que fosse feito.