By Embarcadero Technologies Inc
Open the Mac App Store to buy and download apps.
MathViz allows you to visualize any function of two variables y=f(x,z) in brilliant colors.
There are a couple of pre-built functions, and you can add your custom function and visualize it.
You can rotate around all 3 axis (X, Y and Z) as well as zoom in and out using the controls.
Powered by TExpressionParser - a flexible and fast expression parser for logical and mathematical functions by Egbert van Nes, with contributions by John Bultena and Ralf Junker.
I don't use graphing programs very often, so I don't know the "secret" signs to enter functions like exponents. This program lacks any sort of instructions. I would rate it higher if it had something. The sample equations are sort of a hint. Also, the rotation speed is too quick and it is difficult to set the graph to the view you desire.