Note that you can represent much more complex spreadsheets using Sheet Markup, and while in the above example it might be clear what SUM(COST) would mean, in a more complex spreadsheet, with multiple different tables, it might be ambiguous.
As for why one would possibly ever want to use Sheet Markup for mode complex spreadsheets, one use is as a way to interact with an LLM. We've started to see some interesting results using GPT-4 to analyze various kinds of spreadsheets that have been encoded in Sheet Markup.
As for why one would possibly ever want to use Sheet Markup for mode complex spreadsheets, one use is as a way to interact with an LLM. We've started to see some interesting results using GPT-4 to analyze various kinds of spreadsheets that have been encoded in Sheet Markup.