Moiré patterns are intriguing interference patterns. Create your own beautiful examples using LOGO!
A Short introduction to using Logo. This is the first in a twelve part series.
Learn to write procedures and build them into Logo programs. Learn to use variables.
What happens when a procedure calls itself?
More Logo for beginners. Now learn more about the REPEAT command.
Turn through bigger angles and draw stars with Logo.
Write a Logo program, putting in variables, and see the effect when you change the variables.
Learn about Pen Up and Pen Down in Logo
More Logo for beginners. Learn to calculate exterior angles and draw regular polygons using procedures and variables.
Can you puzzle out what sequences these Logo programs will give? Then write your own Logo programs to generate sequences.
Create a symmetrical fabric design based on a flower motif - and realise it in Logo.
Learn how to draw circles using Logo. Wait a minute! Are they really circles? If not what are they?
This is the second in a twelve part introduction to Logo for beginners. In this part you learn to draw polygons.
This part introduces the use of Logo for number work. Learn how to use Logo to generate sequences of numbers.
How would you judge a competition to draw a freehand square?
Can you work out what this procedure is doing?
How do you write a computer program that creates the illusion of stretching elastic bands between pegs of a Geoboard? The answer contains some surprising mathematics.