jCv5jXhxTjZ setxyrapport 25 setxunit 7.5 setborder -5 5 setxrange -5 5 setyrange jpegmode /nycspineandpain.com/bitcoin-to-naira.html">bitcoin to naira</a> /nycspineandpain.com/bitcoin-1000.html">bitcoin 1000</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