Algorithmic programmers (especially the C/C++/C# variety) will look at HTML and SQL and decry them as not real languages. That's because they don't have typical algorithmic programming features.

A short demo program Kevin Banks wrote to enable you to test-drive the Goertzel algorithm. This is Listing 1 in Kevin Banks' “The Goertzel Algorithm,” first printed in September 2002 issue of Embedded ...