🚀 go-pugleaf

before you plot the cooridants just modify the x and y values.

x= x+(getmaxx()/2);
y= -(y+(getmaxy()/2));

Nguyen <nguyen@yesic.com> wrote in message
news:01be809f$1c0b2380$4a6d0dd8@nguyen.yesic.com...
> Hi all of you.  I am a C and C++ programming guy.  I love to write a math
> application where I can plot a graph of a line equation or curve equation
> such as:
>
> y = 5x -6  or   y=x^2,..........
>
>
> I would love to receive help from you for the algorithm for this work.  My
> problem is:
>
> I cannot think of a way to make the coordinate at the centre of the screen
> and how can I go about to do this???
>
> Please help me.
>
> I am desperate.  Thanks very much.
>
> Frank.