Mathematical functions
Lissajous figures
Two sine functions
Differential equations [for sine sums]
Musical chords [from sine sums]
Three sine functions
Substitution systems [and sine sums]
Many sine functions
FM synthesis
Zeta function
![Differential equations [for sine sums]](/nks/img/thumbnails/notes-4-6--differential-equations-for-sine-sums--textonly.png "Differential equations [for sine sums]")
![Musical chords [from sine sums]](/nks/img/thumbnails/notes-4-6--musical-chords-from-sine-sums--textonly.png "Musical chords [from sine sums]")
![Substitution systems [and sine sums]](/nks/img/thumbnails/notes-4-6--substitution-systems-and-sine-sums--textonly.png "Substitution systems [and sine sums]")
