$(1,1) = $(1,2) + $(1,3); // cell value ref: $(row, col) $('sheet1').onready(function() { }); // you get the picture the spreadsheet programming and the d

$(1,1) = $(1,2) + $(1,3); // cell value ref: $(row, col) $('sheet1').onready(function() { }); // you get the picture the spreadsheet programming and the data grid/presentation could be made separate. replace fill handle based formula extension with parameterized formulae: for (int i = 0; i < $('name_range').length(); i++) $(1,i) = $(2,i) + $(3,i); // and so on and so forth write as many functions as necessary.