Example of CSS & SVG Gradient

pi-r-fun.com advocates having fun with trigonometry.
I find creating trigonometric designs to be fun.
Some times a design can be enhanced by the use of gradients.
There are two basic types of gradients, linear and radial. And there are CSS gradients and SVG gradients. I only include gradients here to show that they can enhance design. There are excellent resources on the internet for learning CSS and SVG.
pi-r-fun.com is a website dedicated to trigonometry.

functions in .txt format
home unit circle