Normal Sudoku rules apply.
The square of a digit (N^2) in a cell with arrows, is equal to the sum of the digits in the adjacent cells, indicated by the arrows.
Solution code: Column 4, 9
on 7. September 2023, 18:50 by zrbakhtiar
https://tinyurl.com/27yh2tnb
on 3. April 2021, 16:52 by SudokuExplorer
Smooth solving path! Thanks :-)