You Don’t Need to Know How
Build your first useful calculator
Make this your own. Replace the bracketed details, provide the relevant material and choose a result you can inspect.
Your starting prompt
Here is my website: [address]. Suggest a useful calculator for my customers, then build a working first version that matches my branding. Ask me any questions you need to. Use my real prices and assumptions, or clearly label anything still to be confirmed. Show me a preview and help me check a few examples before we consider publishing it.
Before you call it finished
- Choose one customer question.
- Supply real prices, units and assumptions.
- Test a known answer, zero, a missing field and an unusual value.
- Review the preview before publishing.
Your notes
My task:
My source material:
What I need to check:
My next step:
A reusable exercise adapted from the chapter, not a verbatim record of the original instructions. Downloads are editable plain-text worksheets; use Print for a paper copy or PDF.
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