Siranush Grigoryan
I was passed a high school 30 years ago, and this professor refresh me everything so clear - thank to her a lot, BUT ONLY IF YOU WILL DO ONLINE HOMEWORK you can get understand what she said! Prof. Grigoryan not will be pushing you, she just give you a high knowledge and what you will get only in your hand ...I got "A" after 30 years of my Math ;-)