Seriously I am giving a true review to you all.i used this app when I was in my board examination and it really help me .like if you are a student you definetely should use this app for sure.i guareented that you will be in love of this app.i am in 12th now even I used it for my queries these days.few days ago I make all my projects and I used this app.i will say only that you should try this app because this app is full from your queries answer.even though I tell my friends to use this app for making their projects