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A general-purpose language, Logo is widely known for its use of turtle graphics, in which commands for movement and drawing produced line or vector graphics, either on screen or with a small robot termed a turtle.
The Logo Programming Language, a dialect of Lisp, was designed as a tool for learning. Its features - interactivity, modularity, extensibility, flexibility of data types - follow from this goal.
A Logo Primer. The most popular Logo environment has involved the Turtle, originally a robotic creature that moved around on the floor. It can be directed by typing commands at the computer. The command forward 100 causes the turtle to move forward in a straight line 100 "turtle steps".
In computer graphics, turtle graphics are vector graphics using a relative cursor (the "turtle") upon a Cartesian plane (x and y axis). Turtle graphics is a key feature of the Logo programming language .
21 Μαΐ 2021 · Bobrow brought in Papert and introduced him to Feurzeig, and the three discussed the idea of developing a computing language for children, Papert’s Mathland. Around that time, BBN had a visitor who demonstrated a new programming language called BASIC.
4 Ιουν 2021 · Turtles are just Python objects, so you can use any Python constructs in turtle programs: selection, loops, recursion, etc. Turtles are objects that move about on a screen (window). Various methods allow you to direct the turtle’s movement.
Today the ``turtle'' is a small arrow-like figure that moves on the screen of a computer. Underneath, Logo is very much like Lisp, the list-processing language used in Artificial Intelligence, the branch of computer science that tries to make machines behave intelligently.
