2015 (c)Shogo Baba

The minimum range for matrix of numbers is the array which have 2 rows and 2 columns of 4 numbers. In the case of using numbers from 0 to 9, the range of matrix has 1,540 combinations, without point-symmetric and line-symmetric.

And the numbers of combinations for two layers of semantic contents and visual scales of number are 2,371,600. In this work, all combinations are displayed one at a time by date and time.

2015

Appeared in the Bulletin "New-Method" No. 44