Why is the graph of the implicit relation $\sin(x^2+y^2) = \cos(xy)$ so cool? - Mathematics Stack Exchange
Google 'Heart Graph': Geeky Surprise Will Bring You Joy On Valentine's Day (PICTURES, VIDEO) | HuffPost Impact
Surfaces as graphs of functions - Math Insight
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Make your own Graphs
What causes the strange behavior of $s=1$ in the graph $c=\sin^2(s+2^x)$? - Mathematics Stack Exchange
What are some cool graph equations? - Quora
Plotting Vector Functions (Space Curves)
Fall in Love with Polar Graphs: Top 4 Ways to Turn Heads with the TI-84 Plus
What are some cool graph equations? - Quora
MZRG - Really Cool Graphs
Creativity with parametric graphs.
Polar graphs - roses rings bracelets and hearts - Application Center
MZRG - Really Cool Graphs
What is the most aesthetically beautiful graph/surface in mathematics, topology, etc.? - Quora
Polar Equations
Cool Functions – GeoGebra
Generating Polar and Parametric Plots in Wolfram|Alpha—Wolfram|Alpha Blog
Calculus I: Lesson 11: Implicit Functions and Implicit Differentiation - Application Center
MZRG - Really Cool Graphs
Surfaces as graphs of functions - Math Insight
