| C09AAF | Wavelet filter initialization |
| C09CAF | one-dimensional discrete wavelet transform |
| C09CBF | one-dimensional inverse discrete wavelet transform |
| C09CCF | one-dimensional multi-level discrete wavelet transform |
| C09CDF | one-dimensional inverse multi-level discrete wavelet transform |
| L10a3a: | Spectral analysis | (2 routines) |
| L10a3b: | Complex demodulation | (0 routines) |