Turtlesoft
- ISBN-10
- 136551899X
- ISBN-13
- 9781365518997
- Category
- Computers
- Pages
- 46
- Language
- English
- Published
- 2016-12-16
- Publisher
- Lulu.com
- Author
- Robert Gallup
Description
Imagine you have a robot turtle. You might think that rather strange, but try to imagine it anyway. Imagine that this ""turtle"" can move around the floor in response to commands you give it such as: FORWARD and BACK, which tells the turtle to move forward or backward a certain number of steps, and RIGHT and LEFT which tells the turtle to turn a certain amount right or left. As the turtle moves, it leaves a trail you can see. By giving the turtle the right commands, you can have it draw any shape you want. Voila! You have Turtle graphics. Your Apple II computer screen is the floor and the turtle is a triangle visible on it. As you experiment with trying to draw shapes using Turtle graphics you may find that thinking in ""Turtle talk"" is much easier for many things than thinking in the ""coordinate talk"" of normal graphics. Available for both DOS 3.3 and ProDOS and runs on all Apple II computers.
Get the book
Similar books
-
Family History Digital Libraries
By William Sims BainbridgeOne named Sara and Timberlake had 11 male workers, 1 female worker, and 4 children workers, so it might have employed the Minor family.
-
Foundation Dreamweaver MX
By Craig Grannell, Jerome Turner, Matt StephensSo here's what we need to do to arrive at our layout: s Create the main table to hold all the page elements. s Deal with the navigation area which is ...
-
Cisco CCNA Certification, 2 Volume Set: Exam 200-301
By Todd LammleThis inclusive, two-book set provides what you need to know to succeed on the new CCNA exam. The set includes Understanding Cisco Networking Technologies: Volume 1 and the CCNA Certification Study Guide: Volume 2.
-
CompTIA Network+ Study Guide: Exam N10-006
By Todd Lammle... you can use: –a –A –c –n –r –R –S –s All nbtstat switches are case sensitive. Generally speaking, lowercase switches deal with NetBIOS names of hosts, ...
-
CompTIA Network+ Study Guide with Online Labs: N10-007 Exam
By Todd Lammle, Jon Buhagiar... you can use: –a –A –c –n –r –R –S –s All nbtstat switches are case sensitive. Generally speaking, lowercase switches deal with NetBIOS names of hosts, ...
-
CCNA: Cisco Certified Network Associate FastPass
By Todd LammleS The S reference point defines the point between the customer router and an ... with the letter E deal with using ISDN on the existing telephone network.
-
Stranger in the Chat Room
By Todd Hafer, Jedd HaferA sequel to In the Chat Room With God finds a group of teens contacted by a mysterious and increasingly malevolent character who claims to know about their encounters with the Almighty and challenges their beliefs. Original.
-
Error Correction Coding: Mathematical Methods and Algorithms
By Todd K. MoonM M−1∑ k=0 −∞ ∞ k=0 The average energy per signal E s ∫ can be related to the ... we will deal primarily with additive white Gaussian noise (AWGN), ...
-
Security+ Training Guide
By Todd King... to deal with most , but unfortunately not all , of these potential threats . ... The S / MIME standard implements encryption for message content using ...
-
CCDA: Cisco Certified Design Associate Study Guide: Exam 640-861
By Todd Lammle, Andy BarklS reference point The S reference point defines the reference point between ... with the letter E deal with using ISDN on the existing telephone network.