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Try to map out all the steps in advance, then enter them at the command line. When you're designing a Logo drawing, think of the steps in the order that the computer should do them. Click a line in the history to make it jump to the command line, then make changes (or not) then press Enter or click Execute.Ĥ page 2 BASICS Don't forget spaces between words! forward 50 or or go forward 50 steps fd 50 right 90 or or right turn 90 degrees rt 90 fd 100 rt 90 fd 100 rt 90 makes two sides of a square several steps on command line are OK left 30 or lt 30 left turn 30 degrees back 100 or bk 100 go backward 100 steps clearscreen or cs erases all drawings and sets turtle at center useful at *beginning* of multi-step commands! PROGRAMMING FUNDAMENTAL 1: Sequence You have already experienced this one: Computers do commands in sequence. It's OK to write and run more than one command on line at a time. Press Enter or click Execute to run command written there. Here's the MSW Logo screen in two parts: drawing window above, with triangle-shaped TURTLE in center Commander window below Write commands in command line, i.e., text box at bottom of Commander window.
#Msw logo documentation for free
Contents Programming fundamentals 1: Sequence 2 2: Repetition 4 3: Subprograms 7 4: Variables 8 5: Decision-making 9 Strings 11 Recursive procedures 12 Turtle geometry 13 Color in Logo 14 Using code from other people's programs 17 Saving your pictures and programs 18 References 20ģ page 1 Logo programming If Logo is not already on your computer, you can get it for free from its makers at The installation process puts a Logo icon (as on the cover of this document) on your computer desktop. * My own web site offers code for things not included here. * There are web sites galore, many with program examples. I will be happy to help you, and you can get much more help by helping yourself: * There is a very extensive help system built into the Logo interpreter.
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There is way more to it than I can show you or tell you, even if we took an entire semester. 1 Logo PROGRAMMING WITH MSW Logo Computer Programming Fundamentals N V Fitton Northern Virginia Community College MSW Logo comes fromĢ Why learn Logo? * because it s fun * because it makes us want to think clearly * because it's real computer science Logo is easy to learn, as programming languages go, yet it also has enough depth to do virtually anything that can be done in any computer language.