Variance of probability distribution calculator

We love it. And the most impressive thing is that it doesn't shows add. This app is an actual life saver, i'm glad that instead of just telling me the answer it tells me how to do it so I can understand the problem fully, i'm shocked , it's amazing ‘Œ¤—.

A good friend to use in solving math problems. The best. Thanks, This app. This app is amazing! Has saved my stupid self a million times, this app was really helpful I love it if there were more than five star I will give it all thanks for making this app, i was completly crushed by math homework.

I'm able to check my answers before helping my son with his work. It can also be used to confirm your own results. Its helped me a lot more than I expected when I initially downloaded it. Very easy to use and it even shows the solution. The only problem i ran into is the camera has a bit of difficulty focusing on the problems.