On the 'Free software and teaching aids' page of dspguide.com, find information about the two primary downloadable software files: 'PROGRAMS.TXT' and 'FFT.EXE'. For each, state its purpose or content, and list any associated test data files. Summarize this information.
Navigate to the 'Free software and teaching aids' page (http://www.dspguide.com/download.htm). Locate the description for 'PROGRAMS.TXT' and identify its content. Locate the description for 'FFT.EXE' and identify its function. Identify and list all test data files explicitly associated with 'FFT.EXE'. Synthesize the collected information about both files into a concise summary.
Successfully navigate to the 'Free software and teaching aids' page. Accurately state that 'PROGRAMS.TXT' is an ASCII file containing all programs from 'The Scientist and Engineer's Guide to Digital Signal Processing'. Accurately state that 'FFT.EXE' is a Fast Fourier Transform program that calculates forward and inverse transforms. List all associated test data files for 'FFT.EXE': FR.DAT, FI.DAT, TR.DAT, and TI.DAT. Provide a concise summary that includes the name, description/purpose, and associated files (or lack thereof) for both PROGRAMS.TXT and FFT.EXE.