Google Spreadsheet

Hi i have a excel file with calculation formulas, so I save the excel file as excel workbook – tool option i change the weboption encoding checkbox to always save as a webpage, so than i open it in google spreadsheet published to the web, embed the coding

<iframe width=’500′ height=’300′ frameborder=’0′ src=’https://docs.google.com/spreadsheet/pub?key=0An1eCEUfFrYRdFdWNlBjLXlMZFJfaTRwVGRpeU5BZkE&single=true&gid=0&output=html&widget=true’></iframe&gt;

calculator doesn’t work????

any help on this please reply