35 freelancers están ofertando el promedio de $474 para este trabajo
ummm.. m a natinal topper in maths and got 100 marks in maths during my school and engineering studies.. english and grammatical skills are good.. moreover holidays r on... so enough time with me.. and my frnds..
I am a mechanical engineer. I have also read some good math books authored by Erwin kreyszig, I A Maron. I also prepare study material and do proof reading work for coatching institute.