Building a new application based on gnumeric

[Victor Morilla <victormorilla yahoo es>]

Hello,
 
I wan't to build a free application to solve financial
problems and I would find very interesting to make use
of the calc engine of gnumeric.
 
My ideal API would let me build new cell objetcs (not
gui objects) to store values or functions, modify
them, read it's value and associate callbacks to be
invoked when a change in a cell happens.
 
Is it possible ? Is gnumeric's GUI isolated from it's
engine calc ? Is there any documentation related ?
 
 
If not, does anyone know of other free tools that
could help me this way ?
 
 
Thanks in advance
 
 
Victor Morilla
 



                
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