Sport
Running paces, race-time equivalents, splits and training zones. For running with your head as well as your legs.
Other categories
- Money Compound interest, loans, mortgages and savings goals, with a breakdown of where every figure comes from and a chart of how it evolves.
- Dates and time Days between dates, ages, working days, deadlines and hours worked. Instant results, no sign-up.
- Cars and travel Real fuel economy, what a trip costs, cost per mile and splitting the bill between everyone in the car.
- Percentages and maths Discounts, increases, proportions, VAT, averages and grades. Everyday maths, properly explained.