As such, a great graphic calculator. He immediately displays graphs and charts. Contrary to other comments in the three-dimensional. 4 stars for the features it possesses. And he also makes what he promises. The permissions are probably. Far-reaching but to minimum permission for the SD memory is understandable. As the graph can be saved. A star, there is deduction because it is sometimes very cumbersome to use. I can not confirm the slow response. For me the computer was running very smoothly.
