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Introduction Enter a mathematical function, and this program will render the function in a 3D space. You can change viewpoint arbitrary with an intuitive operation. The function you input is a function of 'x', 'y' and 't'.
'x','y' represent the axis of coord the function is defined.And 't' represent time.
For example the wave propagation in the direction of axis x is If the function you enter is a function of time, like previous example, you can stop or restart the time with "Pose" or "Play" button. 

The install is not requied. Please decompress the downloaded file and execute FuncView2D.exe in the folder. 
Rotation  Drug the middle button of mouse  
Parallel displacement  
Zoom In / Out  [Pg Up] Key for zoom in, [Pg Dn] Key for zoom out  
The distance of viewpoint  [End] Key to switch the distance is finit / infinit If the distance id finit, press Shift Key with [Pg Up] Key for shorter distance, and Press Shift Key with [Pg Dn] Key for longer distance 

Reset  [Home] Key initialize the Viewpoint 
Ripple  
0.05/(sqrt(x*x+y*y)+0.1)*sin(15*sqrt(x*x+y*y)2*t) 
Operands  
 
Binary Operators  
 
Unary Operators  

11/16/2006 :  Upload!!!!  
11/19/2006 :  Dealing with time dependent function 