Read an example, then try your numbers

Guides that make numbers clearer

Practical steps to understand results and compare your assumptions.

For business owners

A practical product-pricing example covering shipping, fees, and the break-even point.

Financial decisions

Compare payments, total interest, and loan terms, and learn how to read a repayment schedule.

For website owners

Understand page RPM, distinguish page views from visits and ad impressions, and calculate your scenarios.