Home
| list
| math
| function
| coding
| graphics
| example
| help
| ?
| 中文
+ 
+ 
+ 
= 
t,t,t
open graphic in a separate full window.
example :
cos(u)*v,sin(v)*u
parametric3D( sinh(u)*sin(v),sinh(u)*cos(v),10*n*v )
parametric surface 25 parametric equations
parametric surface 200 parametric equations