Difference between revisions of "Activities/Turtle Art/Tutorials/Stack Programming"

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The Forth programming language uses a stack for computations.
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== Turtle Art/Tutorials/Stack Programming ==
  
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On the right of the screen, the Forth words + - x / DUP and SWAP are implemented with blocks.
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Read at https://help.sugarlabs.org/turtleart_tutorials/stack_programming.html
  
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On the left, a Forth like program to compute 3^2 +4^2 = 25
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The source file has been moved to [https://github.com/godiard/help-activity/blob/master/source/turtleart_tutorials/stack_programming.rst GitHub]
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[[File:Screenshot of Turtle Art Activity forth.png|600px]]
 
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[[File:Turtle Art Activity forth.ta]]
 
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What computations can you make with this set of words?
 
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Make additional words with Turtle blocks
 
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The - and / words process the operands on the stack in the reverse order to Forth, you can fix the word definitions on the right with SWAP
 

Latest revision as of 05:57, 30 July 2018

Turtle Art/Tutorials/Stack Programming

Read at https://help.sugarlabs.org/turtleart_tutorials/stack_programming.html

The source file has been moved to GitHub

Retrieved from "https://wiki.sugarlabs.org/index.php?title=Activities/Turtle_Art/Tutorials/Stack_Programming&oldid=101990"