The language of I (i).
There are only 10 digital symbols: 0-9.
After that columns are added leftwards and symbols are reused: 10 is to re-use 0 then 1, 11 is to reuse 1 and 1, etc.
0 is the 1st symbol and 9 is the 10th.
9-10
8-9
7-8
6-7
5-6
4-5
3-4
2-3
1-2
0-1
There are only 5 operators: +, ×, -, ÷ and =.
The program runs every combination and applies them to I (i).
Did any of them work?