Explore the properties of this iterative geometrical procedure
Investigate constructible images which contain rational areas.
Can you find some Pythagorean Triples where the two smaller numbers differ by 1?
Explore creating 'factors and multiples' graphs such that no lines joining the numbers cross
What can you create using 140 characters and our cool Twilgo environment?
Explore the properties of this different sort of differential equation.
What's the chance of a pair of lists of numbers having sample correlation exactly equal to zero?
Explore the properties of combinations of trig functions in this open investigation.
How would you judge a competition to draw a freehand square?