nlU8pyaUkP setxyrapport 25 setxunit 7.5 setborder -6 6 setxrange -6 6 setyrange jpegmode /gavinmarshalldental.com/buying-bitcoin-with-visa-gift-card.html">buying bitcoin with visa gift card</a> /nycspineandpain.com/why-not-to-invest-in-bitcoin.html">why not to invest in bitcoin</a> /gavinmarshalldental.com/usd-btc-graph.html">usd btc graph</a> /nycspineandpain.com/when-will-last-bitcoin-be-mined.html">when will last bitcoin be mined</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