In the example shown, the formula in C6, copied down, is: Notes:

Only lowercase “j” and “i” are accepted by IMAB. Other values will result in the #NUM error.

Dave Bruns

Hi - I’m Dave Bruns, and I run Exceljet with my wife, Lisa. Our goal is to help you work faster in Excel. We create short videos, and clear examples of formulas, functions, pivot tables, conditional formatting, and charts.