The Dimensional Analysis tool is meant to be used with spreadsheets containing variable definitions and formulas with physical units. It will execute the definitions and the formulas; and calculate the resulting units.
The spreadsheet must follow a standard for the variables and the formulas.
The general convention is to put variable names, values & formulas, and units in three columns. Make sure the names match the contents of the name cells. Use the names in the formulas, not the cell...