spirograph > spirograph reflection > mxj Rwrapper - max/msp java object for wrapping values between max and min points  
lissajous curves > lissajous curves fm data > fm synth data calculator
harmonograph > harmonograph sum difference tone calculator > sum/difference tone & harmonic series calculator
bessel plot > mxj jmonkeybessel - max/msp java object for calculation of J(n)(B) bessel function of the first kind keyboarder > text editor with satifying beeping sounds