LOGO, a dialect of LISP, is a stunningly powerful - and not very well understood - programming language.
          It has, by design, some wonderful features that make it easy for even very young children to begin writing programs. This has earned it a reputation of being just for children.
          Nothing could be further from the truth. LOGO has all the power of its parent language, LISP - the language of choice for the most advanced Artificial Intelligence programming. Conceived in a collaboration between the Language and AI labs at MIT, it is specifically designed to have no floor and no ceiling. If your idea is program-mable, you can do it in LOGO.
          Modern LOGO, especially the LCSI implemen-tation MicroWorlds EX (with its robotics extensions) is absolute nerd heaven. Its natural language syntax and vocabulary make it easy to learn. As an interpreted language, code executes immediately, without first running it through compilers or linkers.
With modern processors running literally thousands of times faster than just a few years ago, there is never a noticeable peformance penalty.
          The one fair criticism of LOGO is that it's expensive. A good LOGO interpreter runs at least $100, adding a huge cost burden to programs that limits commercial viability.
          If you're looking for a powerful but easy to learn programming language for personal programs, you can't do better than LOGO.
          Here is a link to the BricelandGPS site that describes a LOGO program which, by virtue of uniquely exploiting a free public resource, makes the cost of the interpreter justified.
          The buttons below launch small, fun programs that use the LOGO Web Player that must be downloaded and installed before they will function. Also at the download site you can get demo versions of full functioning LOGO.

To run Cosmic Portal or Lineweaver you must first download and install the appropriate WebPlayer:

find WebPlayer for Windows
find WebPlayer for Macintosh
find LOGO demo versions

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