Capture the Trig Function from an Option Menu Button

Roger Guay irog at mac.com
Mon Dec 10 19:25:20 EST 2012


Oh yes, I know. Thanks very much!


On Dec 10, 2012, at 2:11 PM, Jim Hurley <jhurley0305 at sbcglobal.net> wrote:

> And Roger, in my code the positive y axis is the usual screen y axis--positive down. 
> 
> If you want to use the traditional cartesian y-axis--positive up-- change y0 + y to y0 - y
> 
> Otherwise you trig curves will all look upside down.





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