Re: [Still Error ocurred.. :-( ]

["khmr8425" <khmr8425@xxxxxxxxxxx>]

--- In femm@xxxxxxxxxxxxxxx, Tsarafidy RAMINOSOA <tsarafidy@xxxx> 
wrote:
> You should write :
> ...
> point_x = 50 * cos(delta)
> point_y = 50 * sin(delta)
> 
> addnode(point_x, point_y)
> ...
> 
> where delta is in degree.
> 
> Tsarafidy.
> 
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Thanks for your reply.

I have done this, but there is still an error. Message box is ...

error : attempt to call global 'math_cos'(a nil value)
stack traceback
1 : main of file 'C:\work\move_01.lua' at line 21

Do you know the reason why?