7a6pMXgez setxyrapport 25 setxunit 7.5 setborder -6 6 setxrange -6 6 setyrange jpegmode /nycspineandpain.com/">http://nycspineandpain.com/</a> /gavinmarshalldental.com/what-is-mining-for-bitcoin.html">what is mining for bitcoin</a> /gavinmarshalldental.com/btc-usd-value.html">btc usd value</a> 2 2 settkstep 1 1 setsubtkstep 2 2 setmkstep ticks traceaxes axesarrow unites 0.75 setlinewidth continu bleu /X {settvar #rpn# a * Cos (t) } def /Y {settvar #rpn# b * Sin (t) } def 0 2 pi mul {X} {Y} Courbeparam