so stress

Feeling very stress at the moment. Common tests are coming, I am having 5 papers and I am not prepared totally. gossshhh. I don't understand my math, telecommunication principles, bre (bio stuff + phy stuff), digital electronic and foop (c sharp programming). My goodness....!!!!! I am going to faint soon.... U know what? Juz now I sat at my study table for 2 hrs thinking of 1 stupid math que. oh my god... anyone can help this girl who need urgen helps now? =x I know I shld not say I feel like