As a wish list, would be possible, in the future, to connect the FormulaTextBox to multiple fpSpread objects, to achieve the formula editing functionality for cross-spreads (e.g. while in edit in spread 1, click on a cell in spread2 and a reference is added to the formula in-edit in spread1)
See
http://our.componentone.com/groups/topic/cell-formula-referencing-a-different-spreadsheet/#post-657393

Thanks

Jerry

Thanks

J