While you can use the modeler in the Pulley app itself, you can export an Excel version of it. The only difference is that Excel includes the formulas.

To use the model in Excel, make sure that **iterative calculations** are turned on.

For MacOS users: click **Excel **→ **Preferences** → **Use Iterative Calculation**:

For Window users: click **File** → **Options** → **Formulas:**

**Circuit breaker**: this will reset the iterations in the model. Change it from 0 to 1 if you are seeing “FALSE” everywhere in the Excel.