Click Here for More Images from iStock
-
15% off with coupon 15FREEIMAGES
Free Images: "bestof:Focus and Directrix2.png Conic Section parabola F is the focus and d is the directrix Own 2007-02-23 ja wiki user Tsukapee Rendered using POV-Ray Parabolas"
Load More
Terms of Use
 
Search of the Day