>How can I invoke VFP calculator from my textbox and place them in a specific coordinate?
>
>Emerson Santon Reed
>emerson@folhamtic.com.br

Foxtools can help here. Assuming it's be set with SET LIBRARY:

ACTIVATE WINDOW Calculator NOSHOW
lnwhandle = _WFindTitl('Calculator')
= _WMoveP(lnwhandle, nCol, nRow)
SHOW WINDOW Calculator

Note that the values of nRow and nCol are in pixels. To use row and column number values, use _WMove().