Finance & Numeracy Editor
FD=3 posts
Live FX rates, compound interest, mortgages, inflation, salary math. We verify every formula against the ECB, BLS and the original textbooks. No ad copy, no upsells.
Finance Desk
foreign exchangecompound interestmortgagesinflationsalary conversionVATGST
- Finance
Cost per kilometre — the only fuel number worth tracking
Marketed MPG, L/100km on the trip computer, the price at the pump. Why none of them help you plan trips, and the one number that does.
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Why 0.1 + 0.2 !== 0.3 (and what to do with money)
IEEE-754 explained in 500 words, why every language does this, and the three correct ways to handle currency.
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Compound interest explained with 5 worked examples
The formula, the intuition, the difference monthly vs yearly compounding makes, and why time matters more than rate.
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