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You can use lots of dots to help grasp large numbers. Here are 10³ x 10³ = 10⁶ (1,000,000 ; one million) dots.

The dots are dots. The small squares are 10¹ x 10¹ = 10² (100) dots. The big squares are 10 x 10 of the small squares, so 10⁴ (10,000) dots. To get a million (10⁶) we need 10² of the big squares. Depending on how wide your window is, that's 10 x 10, or 5 x 20, or 4 x 25, or 3 x 33 plus 1. As below...

Notes:
  See `Lots of dots'.

Doables:
  See `Lots of dots'.
  Add "10", "20", etc markers so looong table doesnt just blur.

History:
 2001-Apr-14   Changed layout.
 1998.Mar.15   Created.