Interactive mathematics
Make math make sense.
Move a point. Test an idea. See why it works.
Try an idea
Your idea can take
a different shape.
Make a triangle with an area of 6.
Drag the point or use the arrow keys. Up and down change height; left and right change position.
Connect the picture and the rule
See what each number changes.
Change a number. Follow the line.
One discovery opens the next.
Keep asking why. Find your next idea in mathematics.