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

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The Forth programming language uses a stack for computations.
== Turtle Art/Tutorials/Stack Programming ==
On the right of the screen, the Forth words + - x / DUP and SWAP are implemented with blocks.
Read at https://help.sugarlabs.org/turtleart_tutorials/stack_programming.html
On the left, a Forth like program to compute 3^2 +4^2 = 25
The source file has been moved to [https://github.com/godiard/help-activity/blob/master/source/turtleart_tutorials/stack_programming.rst GitHub]
[[File:Screenshot of Turtle Art Activity forth.png|600px]]
[[File:Turtle Art Activity forth.ta]]
What computations can you make with this set of words?
Make additional words with Turtle blocks
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 06:57, 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