How would you judge a competition to draw a freehand square?
Can you think like a computer and work out what this flow diagram does?
This article explains the concepts involved in scientific mathematical computing. It will be very useful and interesting to anyone interested in computer programming or mathematics.
More Logo for beginners. Now learn more about the REPEAT command.
Moiré patterns are intriguing interference patterns. Create your own beautiful examples using LOGO!
Learn about Pen Up and Pen Down in Logo
This follows up the 'magic Squares for Special Occasions' article which tells you you to create a 4by4 magicsquare with a special date on the top line using no negative numbers and no repeats.
Helen made the conjecture that "every multiple of six has more factors than the two numbers either side of it". Is this conjecture true?
We need computer programmers! Logo is a great entry-level programming language - and you can create stunning graphics while you learn.
Can you puzzle out what sequences these Logo programs will give? Then write your own Logo programs to generate sequences.
This part introduces the use of Logo for number work. Learn how to use Logo to generate sequences of numbers.
What happens when a procedure calls itself?
Create a symmetrical fabric design based on a flower motif - and realise it in Logo.
Learn to write procedures and build them into Logo programs. Learn to use variables.
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.
More Logo for beginners. Learn to calculate exterior angles and draw regular polygons using procedures and variables.
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.
A Short introduction to using Logo. This is the first in a twelve part series.
This is about a fiendishly difficult jigsaw and how to solve it using a computer program.
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.
Can you work out what this procedure is doing?
How was the data for this problem compiled? A guided tour through the process.