- Press the start sound button.
- Try
entering
`1/n`

,`1/n^2`

,`1/n^3`

in the input box and see how the sound changes (press enter after entering each expression). - Try entering
`ifodd(n,1/n)`

,`ifodd(n,1/n^2)`

,`ifodd(n,1/n^3)`

in the input box and see how the sound changes. - Try moving the red dots manually and see how the sound changes.

Adjust the harmonics by dragging the points below, or by typing an expression in the input box and pressing enter.

The input box can take normal mathematical expressions.
Additionally, you can enter `ifodd(x,y)`

, which will
be `y`

if `x`

is odd and 0 otherwise.

`f(n)=`