# Math conversions
## Convert Polar to Cartesian Coordinates (and reverse)
These nodes will convert X-Y coordinates from your stylus or mouse potision to / from
Radians and Radius.
Here is an example below from the brush "Freckles" which generates a random position within
a circle around the cursor :
The difference between dots being placed randomly within a circle around the cursor (left)
and dots that just follows the cursor (right) :
Iliad User Documentation 
