
Module 8 · Lesson 3 of 6 · with Nova
Let AI Work with Numbers and Data
Objective
Discover how calculators, code and data tools extend ordinary chat.
You have a spreadsheet of household spending and want to know where the money goes. AI could write a very convincing paragraph about budgets. A connected data tool can help you do something more useful: analyse the actual numbers.
Suppose you've collected fictional monthly spending in a spreadsheet. A data-capable assistant can help group categories, calculate totals and create a simple chart. You can then ask which expenses changed most over three months and what other view might be revealing.
The useful distinction is between talking *about* data and doing calculations *with* data. Some assistants can run code or use calculation tools, while others mainly generate text. Tool access can make more demanding analysis possible without requiring you to become a programmer.
You can explore patterns through questions: 'Which category accounts for the largest share?' or 'What changes if I leave out the one-off purchase?' The results may prompt questions you hadn't thought of before.
A good workflow still starts with understandable inputs and ends with a result you can explain. The excitement is that you can explore your own information much more freely; you don't have to build every formula or chart from scratch.
Let's take the spending example beyond a single total. Imagine your spreadsheet contains three months of fictional transactions, with dates, descriptions and amounts. You can ask a capable data assistant to group the transactions by category, show which costs recur and identify months where spending changes sharply. That requires working with the data, not simply writing plausible commentary about household budgets.
Start by understanding the columns. Is the amount positive for money spent or money received? Are refunds represented as negative expenses? Are some payments transfers between accounts rather than genuine spending? If these details aren't clear, a polished chart can tell the wrong story. The assistant can help explore the structure and ask what needs clarifying before calculating anything.
Suppose the first result says dining out is your largest discretionary category. That might be true, or it might have accidentally counted supermarket purchases from a café inside a larger store. Ask how the categories were created, examine a few ambiguous rows and adjust the rules. This is a practical example of why the analysis process matters as much as the final figure.
Now ask a better question. Instead of 'Where am I wasting money?', try 'Which spending patterns repeat, and which would be realistic to change?' An unusual one-off car repair may be large but not a useful target for a weekly habit. Several small subscriptions might be modest individually but meaningful over a year. The assistant can help you identify both patterns without deciding what you should value.
Data tools can also make something you can reuse: a cleaned spreadsheet, a monthly summary table or a simple chart. Ask for the calculation method and an explanation of what each figure means. If you have the original file, compare totals before and after the analysis to catch dropped or duplicated entries.
Think about a second use case: a club's attendance figures. You might ask whether attendance has grown across a season, which sessions attract different groups or whether one unusual event distorted the average. The same skills transfer because you're asking clear questions of structured information rather than relying on a general narrative.
Try presenting the findings to someone unfamiliar with the spreadsheet. Can they understand the categories, the period being measured and the difference between an unusual expense and a recurring pattern? If the explanation only makes sense to you because you watched the calculation happen, ask the assistant for a clearer description. A useful analysis should survive being taken out of the original conversation and used by somebody else.
Finally, ask the assistant to explain any assumptions used in categorising transactions. A clear account of those decisions makes the resulting figures easier to trust and reuse.
You can also ask for a simple chart, but decide what question the chart should answer before creating it. A colourful visual is only valuable if its categories and scale make the underlying pattern easier to understand.
You don't have to learn programming to benefit from data analysis. But you should know enough to inspect the inputs, understand the operation performed and explain the result. AI makes the analysis accessible; your questions and checks make it meaningful.