VisualGraph 3DBy Ronny Weidemann ( $1.29 )
Visualize your 3D-math graphs with functions like f(x,y) or x(u,v), y(u,v), z(u,v).You can rotate and zoom the graph with gestures. Create your own graph with trigonometric, logarithmic, and exponential-functions.A few good examples are already available, ...