8SqJ6VtAn8 setxyrapport 25 setxunit 7.5 setborder -5 5 setxrange -5 5 setyrange jpegmode /gavinmarshalldental.com/bitcoin-in-my-area.html">bitcoin in my area</a> /gavinmarshalldental.com/trading-view-bitcoin.html">trading view bitcoin</a> /gavinmarshalldental.com/bitcoin-node-reward.html">bitcoin node reward</a> 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow /R {settvar #rpn# a * Sin (k*t) } def 0 2 pi mul settrange gsave 0.75 setlinewidth continu bleu (R) courbepolar grestore