2000: Curves - is an animated scientific screensaver. Curves draws different complex geometric lines (curves) such as Archimedean spiral, astroid, cycloid, cardioid, cissoid of Diocles, folium of Descartes, deltoid, lituus, logarithmic spiral, nephroid, limacon of pascal, semicubic parabola, strophoid, sinusoid, epicycloid (6 variants of ), hypocycloid, hyperbolic spiral, trochoid, rose (19 in version number mean 19 curves). Epicycloid and hypocycloid - 6 variants for displaying (each), more than 50 variants for displaying rose. Depending on settings Curves displays lines of different colors, can display axes, can indicate names of curves.