Is there any way to generate test waveforms in Audacity using standard algebraic math expressions, such as sin(2pit*f) for a sine wave?
Audacity includes a powerful scripting language called “Nyquist” (based on XLISP).
Here are some links:
http://wiki.audacityteam.org/wiki/Nyquist_Basics:_The_Audacity_Nyquist_Prompt
http://wiki.audacityteam.org/wiki/Nyquist_Audio_Programming
http://wiki.audacityteam.org/wiki/Nyquist_Plug-ins_Reference
http://www.cs.cmu.edu/~rbd/doc/nyquist/
http://www.audacity-forum.de/download/edgar/nyquist/nyquist-doc/xlisp/xlisp-index.htm
We also have a forum board for discussions and questions about Nyquist : http://forum.audacityteam.org/viewforum.php?f=39