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-=== Forth Tutorial ===
-{{  projects:learn4th:learn4th.zip|Download all Files}}
-November 10, 1987
-TO:  All People interested in the FORTH computer language.
-FROM: Jack W.  Brown,
-      BCIT Mathematics Department.
-Willingdon Avenue
-      Burnaby B.C.  V5G 3H2
-      Phone 434-5734 local 5401.
-      BBS Phone 434-5886.
-If you would like to know more about the FORTH computer language,
-please readon, otherwise perhaps you might be kind enough to pass
-this information on toa friend or colleague.
-I am offering, through the Mathematics Department (BCIT Continuing
-Education),two courses covering various aspects of the FORTH
-computer language.  These courses will cover the full range of
-skills required to use FORTH to solve substantial real world
-problems.  FORTH is the rising star in a group of High Tech
-programming languages that include LISP and C.  The courses are
-currently titled:
-MATH  495 Introduction to the FORTH Programming Language. Starting date:  Monday September 14, 1987.
-MATH  496 Inside FORTH 83. Starting date:  Wednesday September 17, 1987.
-If you would like to learn forth on your own, the file
-LEARN4TH.ARC in file area #2 has a modified version of the Laxen
-and Perry F83 with a super editor.  Also inclued is the actual
-notes and examples used in MATH 495, Introduction to the FORTH
-Programming Language. Get a copy of Starting FORTH by Brodie and
-enjoy.  The best way to learn FORTH is from a live teacher!!  I
-have 6 years of experience with the FORTH language on 6502, 8086,
-and 68000 CPU's.  I would love to have you attend my FORTH classes
-at B.C.I.T.   Below is a directory of the LEARN4TH.ARC  file
-  * [[projects:edit.blk]]
-  * [[projects:editor.blk]]
-  * [[projects:help.blk]] see SAMPLE1.
-  * [[projects:ledit.blk]]
-  * [[projects:poly.blk]]
-  * [[projects:recurse.blk]]
-  * [[projects:sample1.blk]] Words, In and Out, Simple programs, VEDITor, HELP system.
-  * [[projects:sample2.blk]] Stack manipulation, Area & volume calculations, Tables.
-  * [[projects:sample3.blk]] Number display, Logicals and conditionals, Numeric input.
-  * [[projects:sample4.blk]] Interval logic, return stack, variables constants arrays.
-  * [[projects:sample5.blk]] Fixed and floatin point, fractions scaling, rounding.
-  * There is no 6. This was a test night.
-  * [[projects:sample7.blk]] Strings, IF ELSE THEN, BEGIN WHILE REPEAT, CASE statement.
-  * [[projects:sample8.blk]] Dictionary structure, vocabularies, recursion.
-  * [[projects:sample9.blk]] Compiler extension... CREATE DOES>  line editor.
-  * [[projects:sample10.blk]] Making use of virtual memory.
-  * [[projects:sample11.blk]] Multi tasking.
-  * There is no 12.
-  * [[projects:test1-1.blk]] Sample midterm tests given on 6th night
-  * [[projects:test1-2.blk]]
-  * [[projects:test1-3.blk]]
-No sample final exams are provided.
-Here is some interesting information on the FORTH Language.
-==WHERE IS FORTH USED?==
-FORTH is used in video games, operating systems, real-time process control,
-word processing, spread sheet programs, business packages, database management
-systems, robotics control, high speed data acquisition, artificial
-intelligence programs, and for engineering and scientific calculations.
-==WHY IS FORTH USED?==
-The reason is best stated by Charles H. Moore, the inventor of FORTH:
-"FORTH provides a natural means of communication between man and the smart
-machines he is surrounding himself with . . . .  I cannot imagine a better
-language for writing programs, expressing algorithms, or understanding
-computers".  From the forward of Starting FORTH by Brodie.
-==WHAT IS FORTH?==
-  * FORTH is conversational like APL LISP or BASIC.
-  * FORTH is compilable with many high-level language structured programming constructs such as IF ... ELSE ... THEN,  BEGIN ... WHILE ... REPEAT,  BEGIN ... UNTIL,  DO ... LOOP,  CASE ... ENDCASE.
-  * FORTH exhibits performance very close to that of machine coded program equivalents, yet it is a high level language.
-  * FORTH is completely written in itself and you are given the complete source code for the language.
-  * FORTH places no barriers among combinations of system, compiler, or application code.
-  * FORTH includes an integrated, user-controlled virtual memory system with dynamic allocation of resources for both program source text and data files.
-  * FORTH includes an integrated full feature machine code assembler with built in high level language structured programming constructs, like those mentioned above, for use in the assembler!
-  * FORTH can be extended to include new commands written in terms of any previously existing commands or in machine code using the integrated assembler.
-  * FORTH permits easy user extension of existing data types and data structures.
-  * FORTH is easily debugged- application program modules can be incrementally compiled tested and debugged interpretively.
-  * FORTH spans the power of most other programming languages including assembly language, FORTRAN, Pascal, C, and LISP.
-  * FORTH is transportable- applications can be run easily on many different micro-computers, even those with different CPU's.
-  * FORTH produces completely relocatable object modules with code more compact than native machine language assembly code.
-== STILL NOT CONVINCED? ==
-Take any of the above FORTH courses and receive a copy of Laxen & Perry's
-public domain FORTH83 system (free!).  You have nothing to loose!