## Solution - Challenge 50 - Cryptography Challenge 3 - Generate Tabula Recta

Below is a possible solution to the **Challenge 50 - Cryptography Challenge 3 - Generate Tabula Recta**

Put following formula and drag down and right

=CHAR(MOD(ROWS($1:1)+COLUMNS($A:A)-2,26)+65)

A workbook containing the above solution can be downloaded from Solution - Challenge 50 - Cryptography Challenge 3 - Generate Tabula Recta