The story of every calculation
1Why it mattersEach page opens with the real-world cost of getting the calculation wrong.
2Calculate fastInputs are above the fold. Normal calculations should happen instantly in the browser.
3Explain the formulaVisible steps, assumptions, regional constants and worked examples make the answer verifiable.
4Propose the next missionResults should lead to a related calculator, InfoIntake brief, PDF/export, or concierge path.