All posts
FD
Finance Desk
Finance & Numeracy Editor
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.
2 posts · RSS
foreign exchangecompound interestmortgagesinflationsalary conversionVATGST
- Finance
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.
Read - Finance
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.
Read