SINRGB[MOD2[COSRGB[RGB[Y[], COSRGB[EXP[EXP[Y[]]]], PLUS[MOD[MOD2[X[], Y[]], BLEND[Y[], X[], X[]]], X[]]]], X[]]]

[640x480] [800x600] [1024x768] [1280x1024] [1600x1200] [1920x1200] [2560x1440]