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Take me back to Doktor Spinn's blog →   

Jerry Silfwer aka Doktor Spinn is a digital strategist based in Stockholm and New York. Partner and Chief Operating Officer at social media agency Whispr Group.

February 14, 2012 at 5:09am

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(sqrt(cos(x))*cos(200x) sqrt(abs(x))-0.7)*(4-x*x)^0.01, sqrt(9-x^2), -sqrt(9-x^2) from -4.5 to 4.5 →

Some Google love on Valentine’s Day.